How severe is CVE-2013-1134?

CVE-2013-1134 has a CVSS 2.0 base score of 7.1, rated high severity.

Is CVE-2013-1134 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1134?

CVE-2013-1134 affects Cisco Unified Communications Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-1134?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-1134 published?

CVE-2013-1134 was published on 2013-02-27 and last updated on 2026-06-16.

CVE-2013-1134

CVE-2013-1134 is a high-severity vulnerability in Cisco Unified Communications Manager with a CVSS 2.0 base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 2.0 base score 7.1)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cisco Unified Communications Manager
Published: 2013-02-27
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2013-1134?: 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.
How severe is CVE-2013-1134?: CVE-2013-1134 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2013-1134 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1134?: CVE-2013-1134 affects Cisco Unified Communications Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-1134?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-1134 published?: CVE-2013-1134 was published on 2013-02-27 and last updated on 2026-06-16.

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130227-cucm

Affected products (1)

cpe:2.3:a:cisco:unified_communications_manager:9.0\(1\):*:*:*:*:*:*:*

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