Cisco Web Security Appliance and Cisco Content Security Management Appliance HTTP Header Injection Vulnerability (Cisco Cisco Web Security Appliance (WSA))
At a glance
- Source
- NVD
- EPSS
- EPSS 0.93 % Β· percentile 61 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- cisco
- NVD status
- Modified
Description
A vulnerability in the API Framework of Cisco AsyncOS for Cisco Web Security Appliance (WSA) and Cisco Content Security Management Appliance (SMA) could allow an unauthenticated, remote attacker to inject crafted HTTP headers in the web server's response. The vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user to access a crafted URL and receive a malicious HTTP response. A successful exploit could allow the attacker to inject arbitrary HTTP headers into valid HTTP responses sent to a user's browser.
Weaknesses (CWE)
- CWE-113 β Improper Neutralization of CRLF Sequences in HTTP Headers
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.0 | MEDIUM 4.7 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N | cisco |
| CVSS 3.1 | MEDIUM 4.7 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N | NVD Β· nvd@nist.gov (Primary) |
| CVSS 3.0 | MEDIUM 4.7 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N | NVD Β· psirt@cisco.com (Secondary) |
| CVSS 2.0 | MEDIUM 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N | NVD Β· nvd@nist.gov (Primary) |
European references
- ENISA EUVD Β· EUVD-2020-24388
- GCVE Β· GCVE-0-2020-3117
Affected configurations (NVD CPE)
cpe:2.3:a:cisco:content_security_management_appliance:*:*:*:*:*:*:*:*< 13.0.0-187cpe:2.3:a:cisco:web_security_appliance:11.8.0-382:*:*:*:*:*:*:*cpe:2.3:a:cisco:web_security_appliance:12.0.1-268:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Cisco Β· Cisco Web Security Appliance (WSA) | affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST β attribution requested |
| ENISA EUVD | ENISA β reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain β this product uses data from the NVD API but is not endorsed or certified by the NVD |