What is CVE-2008-3280?

CVE-2008-3280 is a medium-severity vulnerability in Openid, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 5.9/10. Published 2021-05-21.

How severe is CVE-2008-3280?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Openid

CVE-2008-3280

It was found that various OpenID Providers (OPs) had TLS Server Certificates that used weak keys, as a result of the Debian Predictable Random Number Generator (CVE-2008-0166). In combination with the DNS Cache Poisoning issue (CVE-2008-1447) and the fact that almost all SSL/TLS implementations do not consult CRLs (currently an untracked issue), this means that it is impossible to rely on these OPs.

Published 2021-05-21 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.040 (90.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000

Affected products

Openid
Openid

Weakness classification (CWE)

CWE-338 — Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

References

lists.openid.net/pipermail/openid-security/2008-August/000942.html (Mailing List, Mitigation, Vendor Advisory)
www.exploit-db.com/exploits/5720 (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2008-3280?: CVE-2008-3280 is a medium-severity vulnerability in Openid, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 5.9/10. Published 2021-05-21.
How severe is CVE-2008-3280?: Medium severity. CVSS v3 base score is 5.9 out of 10.