How severe is CVE-2002-2139?

CVE-2002-2139 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2002-2139 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-2139?

CVE-2002-2139 primarily affects Cisco Pix Firewall Software. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-2139?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2002-2139 published?

CVE-2002-2139 was published on 2002-12-31 and last updated on 2026-06-16.

CVE-2002-2139

CVE-2002-2139 is a medium-severity vulnerability in Cisco Pix Firewall Software with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Pix Firewall Software
Published: 2002-12-31
Last modified: 2026-06-16

Description

Cisco PIX Firewall 6.0.3 and earlier, and 6.1.x to 6.1.3, do not delete the duplicate ISAKMP SAs for a user's VPN session, which allows local users to hijack a session via a man-in-the-middle attack.

Frequently asked questions

What is CVE-2002-2139?: Cisco PIX Firewall 6.0.3 and earlier, and 6.1.x to 6.1.3, do not delete the duplicate ISAKMP SAs for a user's VPN session, which allows local users to hijack a session via a man-in-the-middle attack.
How severe is CVE-2002-2139?: CVE-2002-2139 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2002-2139 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-2139?: CVE-2002-2139 primarily affects Cisco Pix Firewall Software. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-2139?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-2139 published?: CVE-2002-2139 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:o:cisco:pix_firewall_software:6.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:6.0\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:6.0\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:6.0\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:6.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:6.1\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:6.1\(3\):*:*:*:*:*:*:*

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