SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-1999-0775

Cisco Gigabit Switch routers running IOS allow remote attackers to forward unauthorized packets due to improper handling of the "established" keyword in an access list.

HIGH 10.0EPSS 3.13%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Cisco Gigabit Switch routers running IOS allow remote attackers to forward unauthorized packets due to improper handling of the "established" keyword in an access list.

CVSS 2.0
10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
3.13% probability · 87th percentile
CISA KEV
Not listed
Affected
cisco/ios
Source
cve@mitre.org

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