SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2010-0577

Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used, allows remote attackers to cause a denial of service (infinite loop, and device reload or hang) via a TCP segment with crafted options, aka Bug ID CSCsz75186.

HIGH 7.1EPSS 2.53%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used, allows remote attackers to cause a denial of service (infinite loop, and device reload or hang) via a TCP segment with crafted options, aka Bug ID CSCsz75186.

CVSS 2.0
7.1 HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C
EPSS
2.53% probability · 84th percentile
CISA KEV
Not listed
Weakness
CWE-399
Affected
cisco/ios
Source
psirt@cisco.com

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