SB2020060371 - Denial of service in Cisco IOS and Cisco IOS XE
Published: June 3, 2020 Updated: November 1, 2022
Security Bulletin ID
SB2020060371
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) State Issues (CVE-ID: CVE-2020-3200)
CWE-ID: CWE-371 - State Issues
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perofrm a denial of service (DoS) attack.
The vulnerability exists due to an internal state not being represented correctly in the Secure Shell (SSH) server. A remote user can create an SSH connection to an affected device and cause a denial of service condition.
Remediation
Install update from vendor's website.