CVE detail

CVE-2020-3117 — CVE-2020-3117

Published 2020-09-23 · Modified 2026-06-17 · Vendor cisco · Product content_security_management_appliance · Source nvd
MEDIUM
severity
CVSS-derived band
4.7
CVSS v3
0–10 scale
0.0093
EPSS probability
exploitation probability, 30d
57.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog

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.

Remediation

ProductVulnerable rangeFixed versionAdvisory
Cisco Cisco Web Security Appliance (WSA)not specifiedadvisory ↗

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.