SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2014-3396

Cisco IOS XR on ASR 9000 devices does not properly use compression for port-range and address-range encoding, which allows remote attackers to bypass intended Typhoon line-card ACL restrictions via transit traffic, aka Bug ID CSCup30133.

HIGH 7.5EPSS 1.36%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Cisco IOS XR on ASR 9000 devices does not properly use compression for port-range and address-range encoding, which allows remote attackers to bypass intended Typhoon line-card ACL restrictions via transit traffic, aka Bug ID CSCup30133.

CVSS 2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
1.36% probability · 70th percentile
CISA KEV
Not listed
Weakness
CWE-264
Affected
cisco/ios xr · cisco/asr 9000 rsp440 router · cisco/asr 9001 · cisco/asr 9006 · cisco/asr 9010 · cisco/asr 9904 · cisco/asr 9912 · cisco/asr 9922
Source
psirt@cisco.com

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