CVE-2022-20633 Cisco Enterprise Chat and Email Username Enumeration Vulnerability
Unauthenticated attackers can enumerate valid user accounts via authentication response differences, facilitating further targeted attacks.
- 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-2022-20633?
CVE-2022-20633 is a medium-severity vulnerability in Cisco Enterprise Chat and Email, published on 15 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the web-based management interface of Cisco ECE could allow an unauthenticated, remote attacker to perform a username enumeration attack against an affected device. This vulnerability is due to differences in authentication responses that are sent back from the application as part of an authentication attempt. An attacker could exploit this vulnerability by sending authentication requests to an affected device. A successful exploit could allow the attacker to confirm existing user accounts, which could be used in further attacks. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Weakness: CWE-204
Which versions are affected by CVE-2022-20633?
It affects 1 product.
Products include Cisco Enterprise Chat and Email.
How do I fix CVE-2022-20633?
No fix has been published for CVE-2022-20633 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-20633 being exploited?
There is no known exploitation of CVE-2022-20633 in the wild and no public exploit code.
Other vulnerabilities in Cisco Enterprise Chat and Email
- CVE-2025-20139 Denial of service in Cisco Enterprise Chat and Email
- CVE-2024-20484 Cisco Enterprise Chat and Email Denial of Service Vulnerability
- CVE-2019-1877 Cisco Enterprise Chat and Email Attachment Download Vulnerability
- CVE-2025-20310 Cisco Enterprise Chat and Email Stored Cross-Site Scripting Vulnerability
- CVE-2022-20631 Cisco Enterprise Chat and Email Cross-Site Scripting Vulnerability
Sources
Also known as GHSA-jvfw-53c8-p9qg.