# Cisco Adaptive Security Appliance (ASA) Cross-Site Scripting (XSS) · pwn.watch

> Cisco Adaptive Security Appliance (ASA) contains a cross-site scripting (XSS) vulnerability in the WebVPN login page. This vulnerability allows remote attackers to inject arbitrary web script or HTML via an unspecified parameter. Added to the CISA KEV catalog on 2024-11-12. CVE-2014-2120 was assigned before 2024; the KEV listing came in 2024.

Page: https://pwn.watch/i/cisco-adaptive-security-appliance-asa-cve-2014-2120 · generated 2026-10-22T22:00:08.805Z

## Status
- Severity: medium · status: closed · patch: patched
- Product: Cisco Adaptive Security Appliance (ASA)
- Started: 2024-11-12 · closed: 2024-11-12
- CVEs: CVE-2014-2120
- Affected: See vendor advisory (versions are not listed in the KEV record)
- Fixed in: See vendor advisory linked in sources

## Follow this incident
- RSS (one item per update): https://pwn.watch/i/cisco-adaptive-security-appliance-asa-cve-2014-2120/feed.xml
- JSON Feed: https://pwn.watch/i/cisco-adaptive-security-appliance-asa-cve-2014-2120/feed.json
- Full data (timeline, sources, posts, agentBrief): https://pwn.watch/i/cisco-adaptive-security-appliance-asa-cve-2014-2120.json
- This file: https://pwn.watch/i/cisco-adaptive-security-appliance-asa-cve-2014-2120/llms.txt

## Updates (newest first)
- 2024-11-12: CISA added CVE-2014-2120 to the KEV catalog (federal deadline 2024-12-03) (https://www.cisa.gov/known-exploited-vulnerabilities-catalog)

## Fix brief
# Security brief: Cisco Adaptive Security Appliance (ASA) Cross-Site Scripting (XSS)

Source: https://pwn.watch/i/cisco-adaptive-security-appliance-asa-cve-2014-2120 · status: closed (closed Nov 12, 2024) · severity: medium · updated Nov 12, 2024

## Patch status
**PATCHED: fixed releases exist. Upgrade to a fixed version.**

## What it is
Cisco Adaptive Security Appliance (ASA) contains a cross-site scripting (XSS) vulnerability in the WebVPN login page. This vulnerability allows remote attackers to inject arbitrary web script or HTML via an unspecified parameter. Added to the CISA KEV catalog on 2024-11-12. CVE-2014-2120 was assigned before 2024; the KEV listing came in 2024.

Severity detail: CVSS 5.4 (v3.1, CISA-ADP), actively exploited (CISA KEV)

- Product: Cisco Adaptive Security Appliance (ASA)
- CVE / advisory ids: CVE-2014-2120

## Affected versions
- See vendor advisory (versions are not listed in the KEV record)

## Check whether you're affected
No generic command applies (the product is a hosted service, appliance or desktop app). Check the installed version in its admin UI / About screen and compare with the versions above.

## Fix
Upgrade to one of these fixed versions (or later on the same branch):
- See vendor advisory linked in sources

After upgrading, re-run the checks above and redeploy/restart the affected services.

## Latest updates
- Nov 12, 2024: CISA added CVE-2014-2120 to the KEV catalog (federal deadline 2024-12-03)

## Advisories
- [Cisco advisory: CVE-2014-2120](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-CVE-2014-2120) (Cisco)
- [NVD: CVE-2014-2120](https://nvd.nist.gov/vuln/detail/CVE-2014-2120) (NVD)
- [CISA Known Exploited Vulnerabilities Catalog](https://www.cisa.gov/known-exploited-vulnerabilities-catalog) (CISA)

## Caveats
Derived from the CISA KEV JSON feed (catalogVersion 2026.10.21); CVSS from the CVE record (cveawg.mitre.org). startedAt is the CVE publication date when it fell in 2024 before the KEV listing, else the KEV dateAdded; exploitation may have begun earlier. closedAt is the KEV listing date (a fix or mitigation was available then unless noted).

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Machine-readable: https://pwn.watch/i/cisco-adaptive-security-appliance-asa-cve-2014-2120.json · all incidents: https://pwn.watch/incidents.json. Verify against the vendor advisory before changing production systems.