Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since February 15, 2024.
CVE-2020-3259
Cisco ASA and FTD Information Disclosure Vulnerability
Cisco · Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)
Added to KEV February 15, 2024
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2020-3259
- CWE
- CWE-200
- Affected products
- Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) · Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) · Cisco
What happened
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 it means for your business
Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2020-3259). 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. CISA remediation due date: 2024-03-07. If you need help checking exposure, call (864) 335-9223.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date: March 7, 2024
Sources
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