CVE-2020-3259CiscoFirewall and VPNFebruary 15, 2024

Cisco ASA and FTD Information Disclosure Vulnerability

High 7.5Actively exploitedUsed by ransomware

Description

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.

What to do

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

Running Cisco devices? Get an email when a new vulnerability comes out. Free, unsubscribe in one click.
Turn on Cisco alerts

Details

Vendor
Cisco
Product
Cisco ASA e FTD
CVE
CVE-2020-3259
Affected versions
Firepower Threat Defense 6.2: from 6.2.3 to before 6.2.3.16 — fixed in 6.2.3.16
Firepower Threat Defense 6.3: from 6.3.0 to before 6.3.0.6 — fixed in 6.3.0.6
Firepower Threat Defense 6.4: from 6.4.0 to before 6.4.0.9 — fixed in 6.4.0.9
Firepower Threat Defense 6.5: from 6.5.0 to before 6.5.0.5 — fixed in 6.5.0.5
ASA 9.8: from 9.8 to before 9.8.4.20 — fixed in 9.8.4.20
ASA 9.9: from 9.9 to before 9.9.2.67 — fixed in 9.9.2.67
ASA 9.10: from 9.10 to before 9.10.1.40 — fixed in 9.10.1.40
ASA 9.12: from 9.12 to before 9.12.3.9 — fixed in 9.12.3.9
ASA 9.13: from 9.13 to before 9.13.1.10 — fixed in 9.13.1.10 (from the advisory and NVD; check the exact builds in the official advisory)
CVSS score
7.5
Actively exploited
Yes, listed in the CISA Known Exploited Vulnerabilities catalog
CISA due date
March 7, 2024 (deadline for US federal agencies: a good benchmark for you too)
Source
CISA KEV – original advisory
Published
February 15, 2024

The description and the recommended action are quoted from the public advisory; severity, exploitation status and affected versions are compiled automatically from public sources and may contain errors. The vendor's original advisory prevails: check it before taking action. This information is provided without warranty and does not replace a professional assessment.

More Cisco advisories