How severe is CVE-2008-4689?

CVE-2008-4689 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2008-4689 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4689?

CVE-2008-4689 primarily affects Mantis. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-4689?

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

When was CVE-2008-4689 published?

CVE-2008-4689 was published on 2008-10-22 and last updated on 2026-06-16.

CVE-2008-4689

CVE-2008-4689 is a high-severity vulnerability in Mantis with a CVSS 2.0 base score of 7.5. 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: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Mantis
Published: 2008-10-22
Last modified: 2026-06-16

Description

Mantis before 1.1.3 does not unset the session cookie during logout, which makes it easier for remote attackers to hijack sessions.

Frequently asked questions

What is CVE-2008-4689?: Mantis before 1.1.3 does not unset the session cookie during logout, which makes it easier for remote attackers to hijack sessions.
How severe is CVE-2008-4689?: CVE-2008-4689 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2008-4689 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4689?: CVE-2008-4689 primarily affects Mantis. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-4689?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-4689 published?: CVE-2008-4689 was published on 2008-10-22 and last updated on 2026-06-16.

References

Affected products (12)

cpe:2.3:a:mantis:mantis:*:*:*:*:*:*:*:*
cpe:2.3:a:mantis:mantis:0.19.3:*:*:*:*:*:*:*
cpe:2.3:a:mantis:mantis:0.19.4:*:*:*:*:*:*:*
cpe:2.3:a:mantis:mantis:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mantis:mantis:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:mantis:mantis:1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:mantis:mantis:1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:mantis:mantis:1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:mantis:mantis:1.0.6:*:*:*:*:*:*:*
cpe:2.3:a:mantis:mantis:1.0.7:*:*:*:*:*:*:*
cpe:2.3:a:mantis:mantis:1.0.8:*:*:*:*:*:*:*
cpe:2.3:a:mantis:mantis:1.1.1:*:*:*:*:*:*:*

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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 →