Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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 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.

Published

2009-07-30T18:30:00.233

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.4 (MEDIUM)

CVSSv2 Vector

AV:N/AC:H/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: HIGH
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

4.9

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-16
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios 12.0\(32\)s12 Yes
Operating System cisco ios 12.0\(32\)s13 Yes
Operating System cisco ios 12.0\(32\)sy8 Yes
Operating System cisco ios 12.0\(32\)sy9 Yes
Operating System cisco ios 12.0\(33\)s3 Yes
Operating System cisco ios 12.0\(33\)s4 Yes
Operating System cisco ios 12.2\(33\)sxi1 Yes
Operating System cisco ios 12.2\(33\)sxi2 Yes
Operating System cisco ios 12.2xnc Yes
Operating System cisco ios 12.2xnd Yes
Operating System cisco ios 12.4\(24\)t1 Yes
Operating System cisco ios_xe 2.3 Yes
Operating System cisco ios_xe 2.3.1t Yes
Operating System cisco ios_xe 2.4 Yes
Operating System cisco ios_xe 2.4.0 Yes
References