CVE-2020-3178: Cisco Content Security Management Appliance Open Redirect Vulnerabilities

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-05-06 · updated 2026-06-17
Weakness: CWE-601

Description

Multiple vulnerabilities in the web-based GUI of Cisco AsyncOS Software for Cisco Content Security Management Appliance (SMA) could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. The vulnerabilities are due to improper input validation of the parameters of an HTTP request. An attacker could exploit these vulnerabilities by intercepting an HTTP request and modifying it to redirect a user to a specific malicious URL. A successful exploit could allow the attacker to redirect a user to a malicious web page or to obtain sensitive browser-based information. This type of attack is commonly referred to as an open redirect attack and is used in phishing attacks to get users to unknowingly visit malicious sites.

Affected products

Cisco Content Security Management Appliance (SMA): before 13.6.0 — fixed in 13.6.0

How to fix

Upgrade to a fixed version: Cisco Content Security Management Appliance (SMA) 13.6.0. Check the vendor advisory for mitigations.

References

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