SB2021042922 - Security features bypass in Multiple Cisco Products
Published: April 29, 2021
Security Bulletin ID
SB2021042922
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Security features bypass (CVE-ID: CVE-2021-1495)
CWE-ID: CWE-254 - Security Features
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to bypass a configured file policy for HTTP.
The vulnerability exists due to incorrect handling of specific HTTP header parameters. A remote attacker can send specially crafted HTTP packets to bypass a configured file policy for HTTP packets and deliver a malicious payload.
Remediation
Install update from vendor's website.