CVE-2013-1134 Auth bypass in n/a
Remote attackers can bypass authentication in the Location Bandwidth Manager to poison cache records, causing denial of service and call outages.
- 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-2013-1134?
CVE-2013-1134 is a high-severity authentication bypass vulnerability in Cisco Unified Communications Manager, published on 27 Feb 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Location Bandwidth Manager (LBM) Intracluster-communication feature in Cisco Unified Communications Manager (CUCM) 9.x before 9.1(1) does not require authentication from the remote LBM Hub node, which allows remote attackers to conduct cache-poisoning attacks against transaction records, and cause a denial of service (bandwidth-pool consumption and call outage), via unspecified vectors, aka Bug ID CSCub28920.
Weakness: CWE-287
Which versions are affected by CVE-2013-1134?
It affects 1 product.
Products include Cisco Unified Communications Manager.
How do I fix CVE-2013-1134?
No fix has been published for CVE-2013-1134 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2013-1134 being exploited?
There is no known exploitation of CVE-2013-1134 in the wild and no public exploit code.
Other vulnerabilities in Cisco Unified Communications Manager
- CVE-2026-20230 Cisco Unified Communications Manager Server-Side Request Forgery (SSRF)
- CVE-2026-20045 Cisco Unified Communications Products Code Injection
- CVE-2025-20309 Cisco Unified Communications Manager Static SSH Credentials Vulnerability
- CVE-2011-1643 Information disclosure in n/a
- CVE-2024-20253 Deserialization in Cisco Packaged Contact Center Enterprise
Sources
Also known as GHSA-92m6-46vg-vqrh.