7.5
HIGH
CVE-2022-20854
"Cisco Firepower SSH Denial of Service Vulnerability"
Description

A vulnerability in the processing of SSH connections of Cisco Firepower Management Center (FMC) and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper error handling when an SSH session fails to be established. An attacker could exploit this vulnerability by sending a high rate of crafted SSH connections to the instance. A successful exploit could allow the attacker to cause resource exhaustion, resulting in a reboot on the affected device.

INFO

Published Date :

Nov. 15, 2022, 9:15 p.m.

Last Modified :

Nov. 26, 2024, 4:09 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2022-20854 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2022-20854 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cisco firepower_management_center
2 Cisco firepower_threat_defense
3 Cisco secure_firewall_management_center
: Total Affected Vendor : 1 | Products : 3
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-20854.

URL Resource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dos-OwEunWJN
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dos-OwEunWJN

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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AlphabugX/CVE-2022-RCE

test 反向辣鸡数据投放 CVE-2022-23305 工具 利用 教程 Exploit POC

cve-2020-

Updated: 2 years, 1 month ago
5 stars 2 fork 2 watcher
Born at : Jan. 21, 2022, 5:07 a.m. This repo has been linked 2633 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-20854 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-20854 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:7.0.4:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.4:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:7.0.0.1:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.0.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:7.0.1:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:7.0.1.1:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.1.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:7.0.2:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.2:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:7.0.2.1:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.2.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:7.0.3:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.3:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:6.6.0:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:6.6.0:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:7.0.0:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.0:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:6.6.1:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:6.6.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* versions from (including) 6.1.0 from (including) 6.1.0.7 OR *cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:* versions from (including) 6.1.0 from (including) 6.1.0.7
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:6.2.1:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:6.2.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:6.6.0.1:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:6.6.0.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* versions from (including) 6.3.0 from (including) 6.3.0.5 OR *cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:* versions from (including) 6.3.0 from (including) 6.3.0.5
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* versions from (including) 6.7.0 from (including) 6.7.0.3 OR *cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:* versions from (including) 6.7.0 from (including) 6.7.0.3
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:6.6.3:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:6.6.3:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:6.6.4:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:6.6.4:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:6.6.5:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:6.6.5:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:6.6.5.1:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:6.6.5.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:6.6.5.2:*:*:*:*:*:*:* OR *cpe:2.3:a:cisco:secure_firewall_management_center:6.6.5.2:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* versions from (including) 6.5.0 from (including) 6.5.0.5 OR *cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:* versions from (including) 6.5.0 from (including) 6.5.0.5
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* versions from (including) 6.2.2 from (including) 6.2.2.5 OR *cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:* versions from (including) 6.2.2 from (including) 6.2.2.5
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* versions from (including) 6.4.0 from (including) 6.4.0.15 OR *cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:* versions from (including) 6.4.0 from (including) 6.4.0.15
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* versions from (including) 6.2.3 from (including) 6.2.3.18 OR *cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:* versions from (including) 6.2.3 from (including) 6.2.3.18
  • CPE Deprecation Remap by [email protected]

    Nov. 26, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* versions from (including) 6.2.0 from (including) 6.2.0.6 OR *cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:* versions from (including) 6.2.0 from (including) 6.2.0.6
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dos-OwEunWJN
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jan. 25, 2024

    Action Type Old Value New Value
    Added Reference Cisco Systems, Inc. https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dos-OwEunWJN [No types assigned]
    Removed Reference Cisco Systems, Inc. https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dos-OwEunWJN
    Added CWE Cisco Systems, Inc. CWE-400
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Description A vulnerability in the processing of SSH connections of Cisco Firepower Management Center (FMC) and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper error handling when an SSH session fails to be established. An attacker could exploit this vulnerability by sending a high rate of crafted SSH connections to the instance. A successful exploit could allow the attacker to cause resource exhaustion, resulting in a reboot on the affected device. A vulnerability in the processing of SSH connections of Cisco Firepower Management Center (FMC) and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper error handling when an SSH session fails to be established. An attacker could exploit this vulnerability by sending a high rate of crafted SSH connections to the instance. A successful exploit could allow the attacker to cause resource exhaustion, resulting in a reboot on the affected device.
  • CWE Remap by [email protected]

    Aug. 08, 2023

    Action Type Old Value New Value
    Changed CWE CWE-400 CWE-755
  • Initial Analysis by [email protected]

    Nov. 17, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dos-OwEunWJN No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dos-OwEunWJN Vendor Advisory
    Added CWE NIST CWE-400
    Added CPE Configuration OR *cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* versions from (including) 6.1.0 up to (including) 6.1.0.7 *cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* versions from (including) 6.2.0 up to (including) 6.2.0.6 *cpe:2.3:a:cisco:firepower_management_center:6.2.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* versions from (including) 6.2.2 up to (including) 6.2.2.5 *cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* versions from (including) 6.2.3 up to (including) 6.2.3.18 *cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* versions from (including) 6.3.0 up to (including) 6.3.0.5 *cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* versions from (including) 6.4.0 up to (including) 6.4.0.15 *cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* versions from (including) 6.5.0 up to (including) 6.5.0.5 *cpe:2.3:a:cisco:firepower_management_center:6.6.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_management_center:6.6.0.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_management_center:6.6.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_management_center:6.6.3:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_management_center:6.6.4:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_management_center:6.6.5:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_management_center:6.6.5.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_management_center:6.6.5.2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_management_center:*:*:*:*:*:*:*:* versions from (including) 6.7.0 up to (including) 6.7.0.3 *cpe:2.3:a:cisco:firepower_management_center:7.0.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_management_center:7.0.0.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_management_center:7.0.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_management_center:7.0.1.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_management_center:7.0.2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_management_center:7.0.2.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_management_center:7.0.3:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_management_center:7.0.4:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.1.0 up to (including) 6.1.0.7 *cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.2.0 up to (including) 6.2.0.6 *cpe:2.3:a:cisco:firepower_threat_defense:6.2.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.2.2 up to (including) 6.2.2.5 *cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.2.3 up to (including) 6.2.3.18 *cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.3.0 up to (including) 6.3.0.5 *cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.4.0 up to (including) 6.4.0.15 *cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.5.0 up to (including) 6.5.0.5 *cpe:2.3:a:cisco:firepower_threat_defense:6.6.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.6.0.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.6.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.6.3:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.6.4:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.6.5:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.6.5.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.6.5.2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.7.0 up to (including) 6.7.0.3 *cpe:2.3:a:cisco:firepower_threat_defense:7.0.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:7.0.0.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:7.0.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:7.0.1.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:7.0.2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:7.0.2.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:7.0.3:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:7.0.4:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-20854 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-20854 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.14 }} 0.01%

score

0.50335

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: