How severe is CVE-2008-1744?

CVE-2008-1744 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2008-1744 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-1744?

CVE-2008-1744 primarily affects Cisco Unified Callmanager. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-1744?

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-2008-1744 published?

CVE-2008-1744 was published on 2008-05-16 and last updated on 2026-06-16.

CVE-2008-1744

CVE-2008-1744 is a high-severity vulnerability in Cisco Unified Callmanager 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-20.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Unified Callmanager
Published: 2008-05-16
Last modified: 2026-06-16

Description

The Certificate Authority Proxy Function (CAPF) service in Cisco Unified Communications Manager (CUCM) 4.1 before 4.1(3)SR7, 4.2 before 4.2(3)SR4, and 4.3 before 4.3(2) allows remote attackers to cause a denial of service (service crash) via malformed network traffic, aka Bug ID CSCsk46770.

Frequently asked questions

What is CVE-2008-1744?: The Certificate Authority Proxy Function (CAPF) service in Cisco Unified Communications Manager (CUCM) 4.1 before 4.1(3)SR7, 4.2 before 4.2(3)SR4, and 4.3 before 4.3(2) allows remote attackers to cause a denial of service (service crash) via malformed network traffic, aka Bug ID CSCsk46770.
How severe is CVE-2008-1744?: CVE-2008-1744 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2008-1744 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-1744?: CVE-2008-1744 primarily affects Cisco Unified Callmanager. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-1744?: 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-2008-1744 published?: CVE-2008-1744 was published on 2008-05-16 and last updated on 2026-06-16.

References

Affected products (20)

cpe:2.3:a:cisco:unified_callmanager:4.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_callmanager:4.1_3_sr4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_callmanager:4.1_3_sr5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_callmanager:4.1_3_sr5b:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_callmanager:4.1_3_sr5c:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:4.2_3_sr2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:4.2_3_sr2b:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:4.2_3_sr3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:4.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:4.3_1_sr1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:5.1_1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:5.1_2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:5.1_2a:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:5.1_2b:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:5.1_3a:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:6.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:6.0_1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:6.0_1a:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:6.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:6.1_1a:*:*:*:*:*:*:*

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