6.1
MEDIUM
CVE-2022-20713
"Cisco Adaptive Security Appliance/Cisco Firepower Threat Defense Browser-Based Reflected Cross-Site Scripting Vulnerability"
Description

A vulnerability in the VPN web client services component of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct browser-based attacks against users of an affected device. This vulnerability is due to improper validation of input that is passed to the VPN web client services component before being returned to the browser that is in use. An attacker could exploit this vulnerability by persuading a user to visit a website that is designed to pass malicious requests to a device that is running Cisco ASA Software or Cisco FTD Software and has web services endpoints supporting VPN features enabled. A successful exploit could allow the attacker to reflect malicious input from the affected device to the browser that is in use and conduct browser-based attacks, including cross-site scripting attacks. The attacker could not directly impact the affected device.

INFO

Published Date :

Aug. 10, 2022, 5:15 p.m.

Last Modified :

Feb. 16, 2024, 5:06 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

2.7

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2022-20713 has a 2 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-2022-20713 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 adaptive_security_appliance_software
2 Cisco firepower_threat_defense
: Total Affected Vendor : 1 | Products : 2
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-2022-20713.

URL Resource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-webvpn-LOeKsNmO Vendor Advisory

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).

Profile Photo
s1d6point7bugcrowd/CVE-2022-20713-Vulnerability-Detection-Script

None

Python

Updated: 4 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : July 12, 2024, 10:53 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
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 ago
5 stars 2 fork 2 watcher
Born at : Jan. 21, 2022, 5:07 a.m. This repo has been linked 2608 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-2022-20713 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-20713 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.

  • CVE Modified by [email protected]

    May. 14, 2024

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

    Feb. 16, 2024

    Action Type Old Value New Value
    Changed Reference Type https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-webvpn-LOeKsNmO No Types Assigned https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-webvpn-LOeKsNmO Vendor Advisory
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions up to (excluding) 9.17\(1\) OR *cpe:2.3:a:cisco:firepower_threat_defense:6.2.3:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.2.3.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.2.3.2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.2.3.3:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.2.3.4:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.2.3.5:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.2.3.6:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.2.3.7:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.2.3.8:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.2.3.9:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.2.3.10:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.2.3.11:*:*:*:*:*:*:* *cpe:2.3:a:cisco:firepower_threat_defense:6.2.3.12:*:*:*:*:*:*:* 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*cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.2.4:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.2.8:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.2.13:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.2.15:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.3.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.3.9:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.3.11:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.3.13:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.3.15:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.3.18:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.4:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.4.6:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.4.7:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.4.12:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.4.13:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.4.14:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.4.15:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.14.4.17:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.15.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.15.1.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.15.1.7:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.15.1.10:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.15.1.15:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.15.1.16:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.15.1.17:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.15.1.21:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.16.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.16.1.28:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.16.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.16.2.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.16.2.7:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.16.2.11:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.16.2.13:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.16.2.14:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.16.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.16.3.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.16.3.14:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.16.3.15:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.16.3.19:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.16.3.23:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.16.4:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.16.4.9:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.17.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.17.1.7:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.17.1.9:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.17.1.10:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.17.1.11:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.17.1.13:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.17.1.15:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.17.1.20:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.18.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.18.1.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.18.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.18.2.5:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.18.2.7:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.18.2.8:*:*:*:*:*:*:* *cpe:2.3:o:cisco:adaptive_security_appliance_software:9.19.1:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 25, 2024

    Action Type Old Value New Value
    Added CWE Cisco Systems, Inc. CWE-444
  • CVE Modified by [email protected]

    Nov. 01, 2023

    Action Type Old Value New Value
    Changed Description A vulnerability in the Clientless SSL VPN (WebVPN) component of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to conduct browser-based attacks. This vulnerability is due to improper validation of input that is passed to the Clientless SSL VPN component. An attacker could exploit this vulnerability by convincing a targeted user to visit a website that can pass malicious requests to an ASA device that has the Clientless SSL VPN feature enabled. A successful exploit could allow the attacker to conduct browser-based attacks, including cross-site scripting attacks, against the targeted user. A vulnerability in the VPN web client services component of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct browser-based attacks against users of an affected device. This vulnerability is due to improper validation of input that is passed to the VPN web client services component before being returned to the browser that is in use. An attacker could exploit this vulnerability by persuading a user to visit a website that is designed to pass malicious requests to a device that is running Cisco ASA Software or Cisco FTD Software and has web services endpoints supporting VPN features enabled. A successful exploit could allow the attacker to reflect malicious input from the affected device to the browser that is in use and conduct browser-based attacks, including cross-site scripting attacks. The attacker could not directly impact the affected device.
    Removed CVSS V3 Cisco Systems, Inc. AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    Added CVSS V3.1 Cisco Systems, Inc. AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    Removed Reference https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-webvpn-LOeKsNmO [Vendor Advisory]
    Added Reference https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-webvpn-LOeKsNmO [No Types Assigned]
    Removed CWE Cisco Systems, Inc. CWE-444
    Removed CWE Reason CWE-444 / More specific CWE option available
  • Reanalysis by [email protected]

    Jul. 24, 2023

    Action Type Old Value New Value
    Removed CWE NIST CWE-444
    Added CWE NIST CWE-79
  • Initial Analysis by [email protected]

    Aug. 12, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-webvpn-LOeKsNmO No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-webvpn-LOeKsNmO Vendor Advisory
    Added CWE NIST CWE-444
    Added CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions up to (excluding) 9.17\(1\)
  • CVE Modified by [email protected]

    Aug. 10, 2022

    Action Type Old Value New Value
    Changed Description A vulnerability in the Clientless SSL VPN (WebVPN) component of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to conduct browser-based attacks. This vulnerability is due to improper validation of input that is passed to the Clientless SSL VPN component. An attacker could exploit this vulnerability by convincing a targeted user to visit a website that can pass malicious requests to an ASA device that has the Clientless SSL VPN feature enabled. A successful exploit could allow the attacker to conduct browser-based attacks, including cross-site scripting attacks, against the targeted user. A vulnerability in the Clientless SSL VPN (WebVPN) component of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to conduct browser-based attacks. This vulnerability is due to improper validation of input that is passed to the Clientless SSL VPN component. An attacker could exploit this vulnerability by convincing a targeted user to visit a website that can pass malicious requests to an ASA device that has the Clientless SSL VPN feature enabled. A successful exploit could allow the attacker to conduct browser-based attacks, including cross-site scripting attacks, against the targeted user.
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-2022-20713 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-2022-20713 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

0.47892

percentile

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