CVE-2009-2049 — Cisco IOS vulnerability

CWE-16CWE-3994 documents4 sources
Severity
5.4MEDIUMNVD
EPSS
1.5%
top 18.95%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOSCisco IOS XE
Timeline
PublishedJul 30
Latest updateMay 2

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.

CVSS vector

AV:N/AC:H/C:N/I:N/A:CExploitability: 4.9 | Impact: 6.9

Affected Packages2 packages

▶NVDcisco/ios11 versions+10
▶NVDcisco/ios_xe4 versions+3

Patches

Patch: www.cisco.com ↗Patch: www.cisco.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-58fr-3wc6-jc6c: Cisco IOS 12↗2022-05-02
▶
CVEList
CVE-2009-2049: Cisco IOS 12↗2009-07-30
▶

📋Vendor Advisories

1
Cisco
Cisco IOS Software Border Gateway Protocol 4-Byte Autonomous System Number Vulnerabilities↗2009-07-29
▶
CVE-2009-2049 — Cisco IOS vulnerability | cvebase