CVE-2014-0257
Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine whether it is safe to execute a method, which allows remote attackers to execute arbitrary code via (1) a crafted web site or (2) a crafted…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 69.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine whether it is safe to execute a method, which allows remote attackers to execute arbitrary code via (1) a crafted web site or (2) a crafted .NET Framework application that exposes a COM server endpoint, aka "Type Traversal Vulnerability."
- CVSS 2.0
- 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 69.80% probability · 99th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 27 June 2014
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- microsoft/.net framework
- Source
- secure@microsoft.com
EPSS 69.8% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/127246/MS14-009-.NET-Deployment-Service-IE-Sandbox-Escape.html
- http://secunia.com/advisories/56793
- http://www.exploit-db.com/exploits/33892
- http://www.osvdb.org/103163
- http://www.securityfocus.com/bid/65417
- http://www.securitytracker.com/id/1029745
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009
- http://packetstormsecurity.com/files/127246/MS14-009-.NET-Deployment-Service-IE-Sandbox-Escape.html
- http://secunia.com/advisories/56793
- http://www.exploit-db.com/exploits/33892
- http://www.osvdb.org/103163
- http://www.securityfocus.com/bid/65417
- http://www.securitytracker.com/id/1029745
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.