Is CVE-2009-2049 in the CISA KEV catalog?

No. CVE-2009-2049 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-2049?

CVE-2009-2049 has a CVSS v2 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2009-2049?

CVE-2009-2049 has an EPSS score of 2.44% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2009-2049?

No published fix for CVE-2009-2049 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2009-2049

MEDIUMEPSS 82th pctl

5.4

CVSS v2

NVD

Description

Cisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8 through 12.0(32)SY9, 12.2(33)SXI1 through 12.2(33)SXI2, 12.2XNC before 12.2(33)XNC2, 12.2XND before 12.2(33)XND1, and 12.4(24)T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to cause a denial of service (device reload) by using an RFC4271 peer to send a malformed update, aka Bug ID CSCta33973.

CWE-16

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.44%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Patch1

cisco.com

Other references5

Embed a live status badge for CVE-2009-2049

Markdown

[![CVE-2009-2049](https://tridentstack.com/cve/badge/CVE-2009-2049.svg)](https://tridentstack.com/cve/CVE-2009-2049)

HTML

<a href="https://tridentstack.com/cve/CVE-2009-2049"><img src="https://tridentstack.com/cve/badge/CVE-2009-2049.svg" alt="CVE-2009-2049"></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.