How severe is CVE-2014-3389?

CVE-2014-3389 has a CVSS 2.0 base score of 9.0, rated critical severity.

Is CVE-2014-3389 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-3389?

CVE-2014-3389 primarily affects Cisco Asa. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-3389?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2014-3389 published?

CVE-2014-3389 was published on 2014-10-10 and last updated on 2026-06-17.

CVE-2014-3389

CVE-2014-3389 is a critical-severity vulnerability in Cisco Asa with a CVSS 2.0 base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 9.0)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Asa
Published: 2014-10-10
Last modified: 2026-06-17

Description

The VPN implementation in Cisco ASA Software 7.2 before 7.2(5.15), 8.2 before 8.2(5.51), 8.3 before 8.3(2.42), 8.4 before 8.4(7.23), 8.6 before 8.6(1.15), 9.0 before 9.0(4.24), 9.1 before 9.1(5.12), 9.2 before 9.2(2.6), and 9.3 before 9.3(1.1) does not properly implement a tunnel filter, which allows remote authenticated users to obtain failover-unit access via crafted packets, aka Bug ID CSCuq28582.

Frequently asked questions

What is CVE-2014-3389?: The VPN implementation in Cisco ASA Software 7.2 before 7.2(5.15), 8.2 before 8.2(5.51), 8.3 before 8.3(2.42), 8.4 before 8.4(7.23), 8.6 before 8.6(1.15), 9.0 before 9.0(4.24), 9.1 before 9.1(5.12), 9.2 before 9.2(2.6), and 9.3 before 9.3(1.1) does not properly implement a tunnel filter, which allows remote authenticated users to obtain failover-unit access via crafted packets, aka Bug ID CSCuq28582.
How severe is CVE-2014-3389?: CVE-2014-3389 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2014-3389 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3389?: CVE-2014-3389 primarily affects Cisco Asa. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-3389?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2014-3389 published?: CVE-2014-3389 was published on 2014-10-10 and last updated on 2026-06-17.

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20141008-asa

Affected products (26)

cpe:2.3:a:cisco:asa:7.2.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:7.2.5.10:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.2.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.2.5.13:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.2.5.22:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.2.5.26:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.2.5.33:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.2.5.41:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.2.5.46:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.2.5.48:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.2.5.49:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.3.2.25:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.4.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.4.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.4.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.4.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.4.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.4.6:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.4.7:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:8.6:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:9.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:9.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:9.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa:9.3:*:*:*:*:*:*:*

More vulnerabilities in Cisco Asa

CVE-2014-3388 — High (CVSS 7.8): The DNS inspection engine in Cisco ASA Software 9.0 before 9.0(4.13), 9.1 before 9.1(5.7), and 9.2 before 9.2(2) allows…
CVE-2014-3387 — High (CVSS 7.8): The SunRPC inspection engine in Cisco ASA Software 7.2 before 7.2(5.14), 8.2 before 8.2(5.51), 8.3 before 8.3(2.42),…
CVE-2014-3386 — High (CVSS 7.8): The GPRS Tunneling Protocol (GTP) inspection engine in Cisco ASA Software 8.2 before 8.2(5.51), 8.4 before 8.4(7.15),…
CVE-2014-3385 — High (CVSS 7.8): Race condition in the Health and Performance Monitoring (HPM) for ASDM feature in Cisco ASA Software 8.3 before…
CVE-2014-3384 — High (CVSS 7.8): The IKEv2 implementation in Cisco ASA Software 8.4 before 8.4(7.15), 8.6 before 8.6(1.14), 9.0 before 9.0(4.8), and 9.1…
CVE-2014-3383 — High (CVSS 7.8): The IKE implementation in the VPN component in Cisco ASA Software 9.1 before 9.1(5.1) allows remote attackers to cause…

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