Is CVE-2014-3396 being actively exploited?

CVE-2014-3396 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-3396?

CVE-2014-3396 has a CVSS 2.0 base score of 7.5 (HIGH).

CVE-2014-3396

HIGH · CVSS 7.5EPSS 1.4%EU EUVD

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.

Key facts

CVSS score: 7.5 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-264
EPSS score: 1.4% (72th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-3409)
Published: October 5, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-3409 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

cisco / asr 9000 rsp440 router
cisco / asr 9001
cisco / asr 9006
cisco / asr 9010
cisco / asr 9904
cisco / asr 9912
cisco / asr 9922
cisco / ios xr

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3396(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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