SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2014-3353

Cisco IOS XR 4.3(.2) and earlier, as used in Cisco Carrier Routing System (CRS), allows remote attackers to cause a denial of service (CPU consumption and IPv6 packet drops) via a malformed IPv6 packet, aka Bug ID CSCuo95165.

HIGH 7.1EPSS 2.55%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Cisco IOS XR 4.3(.2) and earlier, as used in Cisco Carrier Routing System (CRS), allows remote attackers to cause a denial of service (CPU consumption and IPv6 packet drops) via a malformed IPv6 packet, aka Bug ID CSCuo95165.

CVSS 2.0
7.1 HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C
EPSS
2.55% probability · 84th percentile
CISA KEV
Not listed
Weakness
CWE-399
Affected
cisco/ios xr
Source
psirt@cisco.com

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