CVE-2014-2251
Published Mar 16, 2014
Last updated 5 years ago
Overview
- Description
- The random-number generator on Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 does not have sufficient entropy, which makes it easier for remote attackers to defeat cryptographic protection mechanisms and hijack sessions via unspecified vectors.
- Source
- cve@mitre.org
- NVD status
- Modified
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 2.0
- Type
- Primary
- Base score
- 8.3
- Impact score
- 8.5
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:P/I:P/A:C
Weaknesses
- nvd@nist.gov
- NVD-CWE-Other
Evaluator
- Comment
- CWE-331: Insufficient Entropy
- Impact
- -
- Solution
- -
Configurations
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{
"negate": false,
"cpeMatch": [
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"criteria": "cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1F9DE401-8833-4BBC-A9F9-6275484C932C",
"versionEndIncluding": "1.1.2"
},
{
"criteria": "cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:1.0.1:*:*:*:*:*:*:*",
"vulnerable": true,
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{
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"vulnerable": true,
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"operator": "OR"
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]