CVE-2012-2549 json
The IP-HTTPS server in Windows Server 2008 R2 and R2 SP1 and Server 2012 does not properly validate certificates, which allows remote attac…
published 2012-12-12 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-2535
- cvss
- 5.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 10.0%
- EPSS 10.0% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known
Summary
The IP-HTTPS server in Windows Server 2008 R2 and R2 SP1 and Server 2012 does not properly validate certificates, which allows remote attackers to bypass intended access restrictions via a revoked certificate, aka "Revoked Certificate Bypass Vulnerability."
Exploit prediction
10.00% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2012/ms12-083
vendor-advisory
-
us-cert.gov
/cas/techalerts/TA12-346A.html
third-party-advisory, us-government-resource
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16117
vdb-entry, signature
Sources
- CVE List CVE-2012-2549
- NVD CVE-2012-2549
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.