CVE-2014-2120
Cisco Adaptive Security Appliance (ASA) Cross-Site Scripting (XSS) Vulnerability
- Medium 5.4
- Exploited: added to CISA KEV 12 Nov 2024
Description
Cross-site scripting (XSS) vulnerability in the WebVPN login page in Cisco Adaptive Security Appliance (ASA) Software allows remote attackers to inject arbitrary web script or HTML via an unspecified parameter, aka Bug ID CSCun19025.
Key facts
- Published
- 19 Mar 2014
- Last changed
- 22 Oct 2025
- Assigned by
- cisco
- KEV added
- 12 Nov 2024
- KEV fix due
- 3 Dec 2024
- EPSS
- 22.558% likely to be exploited in the next 30 days, higher than 97.747% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 5.4CVSS 3.1, Mediumfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a |
|
Timeline
- 19 Mar 2014 Published
- 12 Nov 2024 CVE-2014-2120 added to CISA KEV
- 12 Nov 2024 Added to the CISA KEV catalogue
Weakness
Practice this bug class
HackZoneLabs has a hands-on lab on XSS (stored, reflected, DOM) (CWE-79).