SB2022093010 - Improper access control in multiple Cisco products
Published: September 30, 2022 Updated: December 12, 2022
Security Bulletin ID
SB2022093010
CSH Severity
Low
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper access control (CVE-ID: CVE-2021-27861)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to insufficient validation of SNAP/LLC Ethernet frames. A remote attacker on the local network can bypass the FHS feature of the target device.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.