CVE-2014-4121 in the critical feed json
Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized resource identifiers, whic…
published 2014-10-15 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-4052
- cvss
- 10.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 19.2%
- EPSS 19.2% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized resource identifiers, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted request to a .NET web application, aka ".NET Framework Remote Code Execution Vulnerability."
Exploit prediction
19.23% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-399 Resource Management Errors
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2014/ms14-057
vendor-advisory
-
secunia.com
/advisories/60969
third-party-advisory
-
securitytracker.com
/id/1031021
vdb-entry
-
securityfocus.com
/bid/70351
vdb-entry
Sources
- CVE List CVE-2014-4121
- NVD CVE-2014-4121
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.