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CVE-2001-1141
The Pseudo-Random Number Generator (PRNG) in SSLeay and OpenSSL before 0.9.6b allows attackers to use the output of small PRNG requests to…
Medium5.0EPSS 5.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The Pseudo-Random Number Generator (PRNG) in SSLeay and OpenSSL before 0.9.6b allows attackers to use the output of small PRNG requests to determine the internal state information, which could be used by attackers to predict future pseudo-random numbers.
Timeline
ID reserved
By mitre
- 3 months later
· 3 months later
Published
- 22 years later
· 22 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 5.0% · top 7.7% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (9)
- 3004 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- FreeBSD-SA-01:51 (opens in a new tab)vendor-advisoryx_refsource_FREEBSDx_transferred
- openssl-prng-brute-force(6823) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- MDKSA-2001:065 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- CLA-2001:418 (opens in a new tab)vendor-advisoryx_refsource_CONECTIVAx_transferred
- 20010710 OpenSSL Security Advisory: PRNG weakness in versions up to 0.9.6a (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- RHSA-2001:051 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 853 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- ESA-20010709-01 (opens in a new tab)vendor-advisoryx_refsource_ENGARDEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2001-1141)Record last updated .