How severe is CVE-2013-1137?

CVE-2013-1137 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2013-1137 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1137?

CVE-2013-1137 primarily affects Cisco Unified Presence Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1137?

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-2013-1137 published?

CVE-2013-1137 was published on 2013-02-27 and last updated on 2026-06-16.

CVE-2013-1137

CVE-2013-1137 is a high-severity vulnerability in Cisco Unified Presence Server with a CVSS 2.0 base score of 7.8. 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-119.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Cisco Unified Presence Server
Published: 2013-02-27
Last modified: 2026-06-16

Description

Cisco Unified Presence Server (CUPS) 8.6, 9.0, and 9.1 before 9.1.1 allows remote attackers to cause a denial of service (CPU consumption) via crafted packets to the SIP TCP port, aka Bug ID CSCua89930.

Frequently asked questions

What is CVE-2013-1137?: Cisco Unified Presence Server (CUPS) 8.6, 9.0, and 9.1 before 9.1.1 allows remote attackers to cause a denial of service (CPU consumption) via crafted packets to the SIP TCP port, aka Bug ID CSCua89930.
How severe is CVE-2013-1137?: CVE-2013-1137 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2013-1137 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1137?: CVE-2013-1137 primarily affects Cisco Unified Presence Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1137?: 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-2013-1137 published?: CVE-2013-1137 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-cups

Affected products (3)

cpe:2.3:a:cisco:unified_presence_server:8.6:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence_server:9.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence_server:9.1:*:*:*:*:*:*:*

More vulnerabilities in Cisco Unified Presence Server

CVE-2011-1643 — Critical (CVSS 10.0): Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x, 7.x before 7.1(5b)su4, 8.0, and 8.5 before…
CVE-2010-2840 — High (CVSS 7.8): The Presence Engine (PE) service in Cisco Unified Presence 6.x before 6.0(7) and 7.x before 7.0(8) does not properly…
CVE-2010-2839 — High (CVSS 7.8): SIPD in Cisco Unified Presence 6.x before 6.0(7) and 7.x before 7.0(8) allows remote attackers to cause a denial of…
CVE-2009-2874 — High (CVSS 7.8): The TimesTenD process in Cisco Unified Presence 1.x, 6.x before 6.0(6), and 7.x before 7.0(4) allows remote attackers…
CVE-2008-1158 — High (CVSS 7.8): The Presence Engine (PE) service in Cisco Unified Presence before 6.0(1) allows remote attackers to cause a denial of…
CVE-2007-3775 — High (CVSS 7.8): Unspecified vulnerability in Cisco Unified Communications Manager (CUCM, formerly CallManager) and Unified Presence…

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