CVE-2009-2049 - CVE House
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Status published Medium CVE-2009-2049

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...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

ios, ios xe
Vulnerable Versions:
12.0\(32\)s12, 12.0\(32\)s13, 12.0\(32\)sy8, 12.0\(32\)sy9, 12.0\(33\)s3, 12.0\(33\)s4, 12.2\(33\)sxi1, 12.2\(33\)sxi2, 12.2xnc, 12.2xnd, 12.4\(24\)t1, 2.3, 2.3.1t, 2.4, 2.4.0

Timeline

Official Publish: July 30th, 2009
Last Modified: August 7th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.