CVE-2008-2400

CVE-2008-2400 is a high-severity vulnerability in Stunnel with a CVSS 2.0 base score of 7.2. 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-264.

Key facts

• Severity: High (CVSS 2.0 base score 7.2)
• EPSS exploit prediction: 0% (27th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-264
• Affected product: Stunnel
• Published: 2008-05-22
• Last modified: 2026-06-16

Description

Unspecified vulnerability in stunnel before 4.23, when running as a service on Windows, allows local users to gain privileges via unknown attack vectors.

Frequently asked questions

What is CVE-2008-2400?

Unspecified vulnerability in stunnel before 4.23, when running as a service on Windows, allows local users to gain privileges via unknown attack vectors.

How severe is CVE-2008-2400?

CVE-2008-2400 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2008-2400 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-2400?

CVE-2008-2400 primarily affects Stunnel. In total, 71 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-2400?

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-2008-2400 published?

CVE-2008-2400 was published on 2008-05-22 and last updated on 2026-06-16.

References

• http://secunia.com/advisories/30297
• http://stunnel.mirt.net/pipermail/stunnel-announce/2008-May/000034.html
• http://www.securityfocus.com/bid/29285
• http://www.securitytracker.com/id?1020049
• http://www.vupen.com/english/advisories/2008/1568/references
• https://exchange.xforce.ibmcloud.com/vulnerabilities/42526

Affected products (71)

• cpe:2.3:a:stunnel:stunnel:0.1:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:1.1:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:1.2:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:1.3:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:1.4:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:1.5:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:1.6:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:2.1:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.0:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.0:b1:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.0:b2:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.0:b3:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.0:b4:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.0:b5:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.0:b6:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.0:b7:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.1:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.2:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.3:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.4a:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.5:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.6:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.7:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.8:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.8:p1:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.8:p2:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.8:p3:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.8:p4:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.9:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.10:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.11:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.12:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.13:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.14:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.15:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.16:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.17:*:*:*:*:*:*:*
• cpe:2.3:a:stunnel:stunnel:3.18:*:*:*:*:*:*:*

More vulnerabilities in Stunnel

• CVE-2001-0060 — Critical (CVSS 10.0): Format string vulnerability in stunnel 3.8 and earlier allows attackers to execute arbitrary commands via a malformed…
• CVE-2011-2940 — Critical (CVSS 9.3): stunnel 4.40 and 4.41 might allow remote attackers to execute arbitrary code or cause a denial of service (heap memory…
• CVE-2021-20230 — High (CVSS 7.5): A flaw was found in stunnel before 5.57, where it improperly validates client certificates when it is configured to use…
• CVE-2002-0002 — High (CVSS 7.5): Format string vulnerability in stunnel before 3.22 when used in client mode for (1) smtp, (2) pop, or (3) nntp allows…
• CVE-2008-2420 — Medium (CVSS 6.8): The OCSP functionality in stunnel before 4.24 does not properly search certificate revocation lists (CRL), which allows…
• CVE-2013-1762 — Medium (CVSS 6.6): stunnel 4.21 through 4.54, when CONNECT protocol negotiation and NTLM authentication are enabled, does not correctly…

All CVEs affecting Stunnel →

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities

• CVE-2016-8363 — Critical (CVSS 10.0): An issue was discovered in Moxa OnCell OnCellG3470A-LTE, AWK-1131A/3131A/4131A Series, AWK-3191 Series, AWK-5232/6232…
• CVE-2016-7457 — Critical (CVSS 10.0): VMware vRealize Operations (aka vROps) 6.x before 6.4.0 allows remote authenticated users to gain privileges, or halt…
• CVE-2015-7425 — Critical (CVSS 10.0): The Data Protection component in the VMware vSphere GUI in IBM Tivoli Storage Manager for Virtual Environments: Data…
• CVE-2015-8267 — Critical (CVSS 10.0): The PasswordReset.Controllers.ResetController.ChangePasswordIndex method in PasswordReset.dll in Dovestones AD Self…
• CVE-2015-7919 — Critical (CVSS 10.0): SearchBlox 8.3 before 8.3.1 allows remote attackers to write to the config file, and consequently cause a denial of…
• CVE-2015-7071 — Critical (CVSS 10.0): The File Bookmark component in Apple OS X before 10.11.2 allows attackers to bypass a sandbox protection mechanism for…

Browse all CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities →