7.5

CVE-2020-3259

Warning

A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to retrieve memory contents on an affected device, which could lead to the disclosure of confidential information. The vulnerability is due to a buffer tracking issue when the software parses invalid URLs that are requested from the web services interface. An attacker could exploit this vulnerability by sending a crafted GET request to the web services interface. A successful exploit could allow the attacker to retrieve memory contents, which could lead to the disclosure of confidential information. Note: This vulnerability affects only specific AnyConnect and WebVPN configurations. For more information, see the Vulnerable Products section.

Data is provided by the National Vulnerability Database (NVD)
Cisco ≫ Firepower Threat Defense Version >= 6.2.3 < 6.2.3.16
Cisco ≫ Firepower Threat Defense Version >= 6.3.0 < 6.3.0.6
Cisco ≫ Firepower Threat Defense Version >= 6.4.0 < 6.4.0.9
Cisco ≫ Firepower Threat Defense Version >= 6.5.0 < 6.5.0.5
Cisco ≫ Adaptive Security Appliance Software Version >= 9.8 < 9.8.4.20
Cisco ≫ Adaptive Security Appliance Software Version >= 9.9 < 9.9.2.67
Cisco ≫ Adaptive Security Appliance Software Version >= 9.10 < 9.10.1.40
Cisco ≫ Adaptive Security Appliance Software Version >= 9.12 < 9.12.3.9
Cisco ≫ Adaptive Security Appliance Software Version >= 9.13 < 9.13.1.10

15.02.2024: CISA Known Exploited Vulnerabilities (KEV) Catalog

Cisco ASA and FTD Information Disclosure Vulnerability

Vulnerability

Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an information disclosure vulnerability. An attacker could retrieve memory contents on an affected device, which could lead to the disclosure of confidential information due to a buffer tracking issue when the software parses invalid URLs that are requested from the web services interface. This vulnerability affects only specific AnyConnect and WebVPN configurations.

Description

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 53.76% 0.979
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:P/I:N/A:N
psirt@cisco.com 7.5 3.9 3.6
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.