CVE-2013-3861 in the critical feed json
Microsoft .NET Framework 2.0 SP2, 3.5, 3.5 SP1, 3.5.1, 4, and 4.5 allows remote attackers to cause a denial of service (application crash o…
published 13y ago modified 4mo ago also EUVD-2013-3793
- cvss
- 7.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 80.4%
- EPSS 80.4% chance of exploitation in 30 days, percentile 99.6%
- public exploits
- 0
- none known
Summary
Microsoft .NET Framework 2.0 SP2, 3.5, 3.5 SP1, 3.5.1, 4, and 4.5 allows remote attackers to cause a denial of service (application crash or hang) via crafted character sequences in JSON data, aka "JSON Parsing Vulnerability."
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80.38% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2013/ms13-082
vendor-advisory
-
us-cert.gov
/ncas/alerts/TA13-288A
third-party-advisory, us-government-resource
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18842
vdb-entry, signature
Sources
- CVE List CVE-2013-3861
- NVD CVE-2013-3861
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.