How severe is CVE-2008-3815?

CVE-2008-3815 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-3815 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-3815?

CVE-2008-3815 primarily affects Cisco Asa 5500. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-3815?

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

When was CVE-2008-3815 published?

CVE-2008-3815 was published on 2008-10-23 and last updated on 2026-06-16.

CVE-2008-3815

CVE-2008-3815 is a medium-severity vulnerability in Cisco Asa 5500 with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cisco Asa 5500
Published: 2008-10-23
Last modified: 2026-06-16

Description

Unspecified vulnerability in Cisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 7.0 before 7.0(8)3, 7.1 before 7.1(2)78, 7.2 before 7.2(4)16, 8.0 before 8.0(4)6, and 8.1 before 8.1(1)13, when configured as a VPN using Microsoft Windows NT Domain authentication, allows remote attackers to bypass VPN authentication via unknown vectors.

Frequently asked questions

What is CVE-2008-3815?: Unspecified vulnerability in Cisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 7.0 before 7.0(8)3, 7.1 before 7.1(2)78, 7.2 before 7.2(4)16, 8.0 before 8.0(4)6, and 8.1 before 8.1(1)13, when configured as a VPN using Microsoft Windows NT Domain authentication, allows remote attackers to bypass VPN authentication via unknown vectors.
How severe is CVE-2008-3815?: CVE-2008-3815 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2008-3815 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-3815?: CVE-2008-3815 primarily affects Cisco Asa 5500. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-3815?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-3815 published?: CVE-2008-3815 was published on 2008-10-23 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:h:cisco:asa_5500:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:pix:7.0:*:*:*:*:*:*:*
cpe:2.3:h:cisco:pix:7.1:*:*:*:*:*:*:*
cpe:2.3:h:cisco:pix:7.2:*:*:*:*:*:*:*
cpe:2.3:h:cisco:pix:8.0:*:*:*:*:*:*:*
cpe:2.3:h:cisco:pix:8.1:*:*:*:*:*:*:*

More vulnerabilities in Cisco Asa 5500

CVE-2010-4680 — Critical (CVSS 9.0): The WebVPN implementation on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software before 8.2(3)…
CVE-2010-4675 — Critical (CVSS 9.0): Cisco Adaptive Security Appliances (ASA) 5500 series devices with software before 8.2(3) do not properly determine the…
CVE-2007-0960 — Critical (CVSS 9.0): Unspecified vulnerability in Cisco PIX 500 and ASA 5500 Series Security Appliances 7.2.2, when configured to use the…
CVE-2011-3298 — High (CVSS 7.9): Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services module in Cisco Catalyst 6500 series…
CVE-2011-0379 — High (CVSS 7.9): Buffer overflow on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 1.6.x; Cisco TelePresence…
CVE-2011-3304 — High (CVSS 7.8): Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services module in Cisco Catalyst 6500 series…

All CVEs affecting Cisco Asa 5500 →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →