CVE-2024-20655
Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability
Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability
Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability
- Record
CVE-2024-20655- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-416
- Updated
- 2026-11-02
EUVDEUVD-2024-18370
Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability
- Record
EUVD-2024-18370- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-c2cf-p6qq-wxrr
Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability
Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability
- Record
GHSA-c2cf-p6qq-wxrr- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability
- Record
CVE-2024-20655- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
Affected products
- microsoft windows server 2008 service pack 2
- microsoft windows server 2008 r2 service pack 1
- microsoft windows server 2008 r2 service pack 1 (server core installation)
- microsoft windows server 2008 service pack 2
- microsoft windows server 2008 service pack 2 (server core installation)
- microsoft windows server 2012
- microsoft windows server 2012 (server core installation)
- microsoft windows server 2012 r2
- microsoft windows server 2012 r2 (server core installation)
- microsoft windows server 2016
- microsoft windows server 2016 (server core installation)
- microsoft windows server 2019
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-20655 is a medium vulnerability (CVSS 6.6) in Microsoft Windows Server 2008 Service Pack 2, published January 9, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.41%, the 72nd percentile. No source names a fixed version.