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CVE-2002-1511
The vncserver wrapper for vnc before 3.3.3r2-21 uses the rand() function instead of srand(), which causes vncserver to generate weak…
- 5.0MediumCVSS base score
- 1.8%Exploitation in 30 daysEPSS · top 21% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The vncserver wrapper for vnc before 3.3.3r2-21 uses the rand() function instead of srand(), which causes vncserver to generate weak cookies.
Timeline
ID reserved
By mitre
- 19 months later
· 19 months later
Published
- 20 years later
· 20 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)
- 1.8% · top 21% of all CVEs (9 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.
Affected products
n/a
- affected n/a
References
9
- 56161 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
- CLSA-2003:640 (opens in a new tab)vendor-advisoryx_refsource_CONECTIVAx_transferred
- http://changelogs.credativ.org/debian/pool/main/v/vnc/vnc_3.3.6-3/changelog (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2003:041 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- vnc-rand-weak-cookie(11384) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- MDKSA-2003:022 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- 200302-15 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- RHSA-2003:068 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 6905 (opens in a new tab)vdb-entryx_refsource_BIDx_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)
- EUVD EUVD-2002-1494 (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-2002-1511)Record last updated .