CVE-2020-26062 Cisco Integrated Management Controller Username Enumeration Vulnerability
Unauthenticated attackers can enumerate valid administrative usernames via authentication response differences in Cisco Integrated Management Controller.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-26062?
CVE-2020-26062 is a medium-severity vulnerability in Cisco Unified Computing System, published on 18 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in Cisco Integrated Management Controller could allow an unauthenticated, remote attacker to enumerate valid usernames within the vulnerable application. The vulnerability is due to differences in authentication responses sent back from the application as part of an authentication attempt. An attacker could exploit this vulnerability by sending authentication requests to the affected application. A successful exploit could allow the attacker to confirm the names of administrative user accounts for use in further attacks.There are no workarounds that address this vulnerability.
Weakness: CWE-203
Which versions are affected by CVE-2020-26062?
It affects 1 product.
Products include Cisco Unified Computing System.
How do I fix CVE-2020-26062?
No fix has been published for CVE-2020-26062 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-26062 being exploited?
There is no known exploitation of CVE-2020-26062 in the wild and no public exploit code.
Other vulnerabilities in Cisco Unified Computing System
- CVE-2026-20200 Cisco Integrated Management Controller Argument Injection and Remote Code Execution Vulnerability
- CVE-2026-20094 Cisco Integrated Management Controller Command Injection Vulnerability
- CVE-2018-0430 Cisco Integrated Management Controller Command Injection Vulnerability
- CVE-2018-0431 Cisco Integrated Management Controller Command Injection Vulnerability
- CVE-2012-4078 Auth bypass in n/a
Sources
Also known as GHSA-m96v-gj29-hf2q.