CVE-2009-2049

MediumCVSS 5.4/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 5.4/10AV:N/AC:H/Au:N/C:N/I:N/A:C

Weakness enumeration

CWE-16

Affected software

No affected versions have been published.

Timeline

Published: Jul 30, 2009
Last modified: Jun 16, 2026
NVD status: Modified

Related CVEs from 2009

CVE-2009-20507.8Cisco Unified Communications Manager (aka CUCM, formerly CallManager) before 6.1(1) allows remote attackers to cause a denial of service (vo CVE-2009-20517.8Cisco IOS 12.2 through 12.4 and 15.0 through 15.1, Cisco IOS XE 2.5.x and 2.6.x before 2.6.1, and Cisco Unified Communications Manager (aka CVE-2009-20527.8Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2), and 7.1 CVE-2009-20537.8Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2a)su1, and CVE-2009-20547.8Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2a)su1, and CVE-2009-20555.9Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service (session reset) via a BGP UPDATE message with an inval CVE-2009-20563.3Cisco IOS XR 3.8.1 and earlier allows remote authenticated users to cause a denial of service (process crash) via vectors involving a BGP UP CVE-2009-20575.8Microsoft Internet Explorer before 8 uses the HTTP Host header to determine the context of a document provided in a (1) 4xx or (2) 5xx CONNE CVE-2009-20586.8Apple Safari before 3.2.2 uses the HTTP Host header to determine the context of a document provided in a (1) 4xx or (2) 5xx CONNECT response CVE-2009-20596.8Opera, possibly before 9.25, uses the HTTP Host header to determine the context of a document provided in a (1) 4xx or (2) 5xx CONNECT respo CVE-2009-20605.8src/net/http/http_transaction_winhttp.cc in Google Chrome before 1.0.154.53 uses the HTTP Host header to determine the context of a document CVE-2009-20619.3Mozilla Firefox before 3.0.10 processes a 3xx HTTP CONNECT response before a successful SSL handshake, which allows man-in-the-middle attack