How severe is CVE-2012-3935?

CVE-2012-3935 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2012-3935 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-3935?

CVE-2012-3935 primarily affects Cisco Unified Presence. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-3935?

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-2012-3935 published?

CVE-2012-3935 was published on 2012-09-12 and last updated on 2026-06-16.

CVE-2012-3935

CVE-2012-3935 is a high-severity vulnerability in Cisco Unified Presence 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: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Cisco Unified Presence
Published: 2012-09-12
Last modified: 2026-06-16

Description

Cisco Unified Presence (CUP) before 8.6(3) and Jabber Extensible Communications Platform (aka Jabber XCP) before 5.3 allow remote attackers to cause a denial of service (process crash) via a crafted XMPP stream header, aka Bug ID CSCtu32832.

Frequently asked questions

What is CVE-2012-3935?: Cisco Unified Presence (CUP) before 8.6(3) and Jabber Extensible Communications Platform (aka Jabber XCP) before 5.3 allow remote attackers to cause a denial of service (process crash) via a crafted XMPP stream header, aka Bug ID CSCtu32832.
How severe is CVE-2012-3935?: CVE-2012-3935 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2012-3935 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3935?: CVE-2012-3935 primarily affects Cisco Unified Presence. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-3935?: 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-2012-3935 published?: CVE-2012-3935 was published on 2012-09-12 and last updated on 2026-06-16.

References

Affected products (33)

cpe:2.3:a:cisco:unified_presence:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:6.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:6.0\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:6.0\(2\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:6.0\(3\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:6.0\(4\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:6.0\(5\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:6.0\(6\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:6.0\(7\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:6.0_1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:6.0_2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:7.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:7.0\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:7.0\(2\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:7.0\(3\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:7.0\(4\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:7.0\(5\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:7.0\(6\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:7.0\(7\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:7.0\(8\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:7.0\(9\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:8.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:8.0\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:8.0\(2\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:8.0\(3\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:8.0\(4\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:8.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:8.5\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:8.5\(2\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:8.5\(3\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_presence:8.6\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:jabber_extensible_communications_platform:*:*:*:*:*:*:*:*

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