CVE-2020-3259
Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD): ASA and FTD Information Disclosure
As of , CVE-2020-3259 in Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.
- Exploited
- Yes: CISA listed it on 15 February 2024
- US federal deadline
- 7 March 202421 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Known
- EPSS score
- 0.72Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.00 on 15 February 2024EPSS on the day CISA listed it.
- Public exploit
- None foundNeither Metasploit nor Exploit-DB lists one.
- Fix
- Vendor advice: tools.cisco.comLinks below, from CISA's entry.
What CISA says to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA's required action
What the flaw is
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's description
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.
The CVE record's description, from cisco
- CVE published
- 6 May 2020
- Assigned by
- cisco
- CVSS
- 7.5 High (CVSS 3.0, from the CNA)
- CWE-200
- Exposure of Sensitive Information to an Unauthorized Actor
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- yes
- CISA SSVC, technical impact
- partial
Timeline
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD): other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2024-20353ASA and FTD Denial of Service | Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) | Patch this weekEPSS 0.71 | 0.71 | ||
| CVE-2020-3452ASA and FTD Read-Only Path Traversal | Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) | Patch this weekEPSS 0.99 | 0.99 | ||
| CVE-2020-3580ASA and FTD Cross-Site Scripting (XSS) | Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) | Patch this weekRansomware use; EPSS 0.86 | 0.86 | ||
| CVE-2024-20359ASA and FTD Privilege Escalation | Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) | Patch soon | 0.19 | ||
| CVE-2024-20481ASA and FTD Denial-of-Service | Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) | Patch soon | 0.16 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org