How severe is CVE-2013-1129?

CVE-2013-1129 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-1129 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1129?

CVE-2013-1129 primarily affects Cisco Unity Connection. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1129?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-1129 published?

CVE-2013-1129 was published on 2013-02-19 and last updated on 2026-06-16.

CVE-2013-1129

CVE-2013-1129 is a medium-severity vulnerability in Cisco Unity Connection with a CVSS 2.0 base score of 5.0. 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Cisco Unity Connection
Published: 2013-02-19
Last modified: 2026-06-16

Description

Memory leak in Cisco Unity Connection 9.x allows remote attackers to cause a denial of service (memory consumption and process crash) by sending many TCP requests, aka Bug ID CSCud59736.

Frequently asked questions

What is CVE-2013-1129?: Memory leak in Cisco Unity Connection 9.x allows remote attackers to cause a denial of service (memory consumption and process crash) by sending many TCP requests, aka Bug ID CSCud59736.
How severe is CVE-2013-1129?: CVE-2013-1129 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-1129 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1129?: CVE-2013-1129 primarily affects Cisco Unity Connection. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1129?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-1129 published?: CVE-2013-1129 was published on 2013-02-19 and last updated on 2026-06-16.

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1129

Affected products (4)

cpe:2.3:a:cisco:unity_connection:9.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity_connection:9.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity_connection:9.1.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity_connection:9.5:*:*:*:*:*:*:*

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