6.5
MEDIUM
CVE-2019-1693
Cisco WebVPN ASA & FTD Authenticated Denial of Service (DoS) Vulnerability
Description

A vulnerability in the WebVPN service of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper management of authenticated sessions in the WebVPN portal. An attacker could exploit this vulnerability by authenticating with valid credentials and accessing a specific URL in the WebVPN portal. A successful exploit could allow the attacker to cause the device to reload, resulting in a temporary DoS condition.

INFO

Published Date :

May 3, 2019, 3:29 p.m.

Last Modified :

Nov. 21, 2024, 4:37 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2019-1693 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 adaptive_security_appliance_software
3 Cisco firepower_threat_defense
4 Cisco adaptive_security_appliance_software
5 Cisco asa_5580
6 Cisco asa_5505
7 Cisco asa_5510
8 Cisco asa_5520
9 Cisco asa_5540
10 Cisco asa_5550
11 Cisco asa_5585-x
12 Cisco asa_5512-x
13 Cisco asa_5515-x
14 Cisco asa_5525-x
15 Cisco asa_5545-x
16 Cisco asa_5555-x
17 Cisco secure_firewall_management_center
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-2019-1693.

URL Resource
http://www.securityfocus.com/bid/108157 Third Party Advisory VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ftd-dos Vendor Advisory
http://www.securityfocus.com/bid/108157 Third Party Advisory VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ftd-dos 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).

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

The following list is the news that have been mention CVE-2019-1693 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-1693 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/108157
    Added Reference https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ftd-dos
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Aug. 15, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.10 from (excluding) 9.10.1.17 OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.10 from (excluding) 9.10.1.17
  • CPE Deprecation Remap by [email protected]

    Aug. 15, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.9 from (excluding) 9.9.2.50 OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.9 from (excluding) 9.9.2.50
  • CPE Deprecation Remap by [email protected]

    Aug. 15, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.7 from (excluding) 9.8.4 OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.7 from (excluding) 9.8.4
  • CPE Deprecation Remap by [email protected]

    Aug. 15, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.5 from (excluding) 9.6.4.25 OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.5 from (excluding) 9.6.4.25
  • Modified Analysis by [email protected]

    Oct. 07, 2020

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Removed CWE NIST CWE-399
    Added CWE NIST NVD-CWE-noinfo
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 Cisco Systems, Inc. AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
    Added CWE Cisco Systems, Inc. CWE-399
  • Initial Analysis by [email protected]

    May. 06, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:S/C:N/I:N/A:C)
    Added CVSS V3 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://www.securityfocus.com/bid/108157 No Types Assigned http://www.securityfocus.com/bid/108157 Third Party Advisory, VDB Entry
    Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ftd-dos No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ftd-dos Vendor Advisory
    Added CWE CWE-399
    Added CPE Configuration AND OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions up to (excluding) 9.4.4.34 *cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.5 up to (excluding) 9.6.4.25 *cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.7 up to (excluding) 9.8.4 *cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.9 up to (excluding) 9.9.2.50 *cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.10 up to (excluding) 9.10.1.17 OR cpe:2.3:h:cisco:asa_5505:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asa_5510:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asa_5512-x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asa_5515-x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asa_5520:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asa_5525-x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asa_5540:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asa_5545-x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asa_5550:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asa_5555-x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asa_5580:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asa_5585-x:-:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.2.1 up to (excluding) 6.2.3.12 *cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.3.0 up to (excluding) 6.3.0.3
  • CVE Modified by [email protected]

    May. 06, 2019

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/108157 [No Types Assigned]
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-2019-1693 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-2019-1693 weaknesses.

Exploit Prediction

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

0.08 }} -0.03%

score

0.37260

percentile

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