Is CVE-2008-1743 in the CISA KEV catalog?

No. CVE-2008-1743 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2008-1743?

CVE-2008-1743 has a CVSS v2 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2008-1743?

CVE-2008-1743 has an EPSS score of 1.50% (71th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2008-1743?

Upgrade unified communications manager to 6.1(1) or later.

CVE & CISA-KEV Catalog

CVE-2008-1743

HIGHEPSS 71th pctl

7.8

CVSS v2

NVD

Description

Memory leak in the Certificate Trust List (CTL) Provider service in Cisco Unified Communications Manager (CUCM) 5.x before 5.1(3) and 6.x before 6.1(1) allows remote attackers to cause a denial of service (memory consumption and service interruption) via a series of malformed TCP packets, aka Bug ID CSCsi98433.

CWE-399Resource Management Errors

How to fix

Remediation Available

unified communications managerNVD

Affected:>= 6.0, < 6.1(1)Fixed in:6.1(1)CVE-2008-1743derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.50%probability of exploitation in 30 days

71stpercentile

Elevated risk: more likely to be exploited than 71% of all known CVEs.

References

Vendor Advisory1

cisco.com

Third-Party Advisory5

Related Vulnerabilities

Other CWE-399 (Resource Management Errors) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2009-3103	High	10.0	90%	-	-
CVE-2009-0075	High	9.3	85%	-	-
CVE-2005-1790	Low	2.6	83%	-	-
CVE-2010-0806	High	8.8	82%	KEV	-
CVE-2009-2526	High	7.8	82%	-	-
CVE-2015-1868	High	7.8	82%	-	Fix

Embed a live status badge for CVE-2008-1743

Markdown

[![CVE-2008-1743](https://tridentstack.com/cve/badge/CVE-2008-1743.svg)](https://tridentstack.com/cve/CVE-2008-1743)

HTML

<a href="https://tridentstack.com/cve/CVE-2008-1743"><img src="https://tridentstack.com/cve/badge/CVE-2008-1743.svg" alt="CVE-2008-1743"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.