SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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…

MEDIUM 5.4EPSS 2.44%

Does this matter?

Lower severity and a low EPSS score (2.44%). Track it; it rarely justifies an emergency change on its own.

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 2.0
5.4 MEDIUMAV:N/AC:H/Au:N/C:N/I:N/A:C
EPSS
2.44% probability · 83th percentile
CISA KEV
Not listed
Weakness
CWE-16
Affected
cisco/ios · cisco/ios xe
Source
psirt@cisco.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.