Vulnerability in Piwigo

CVE-2016-3735

Piwigo is image gallery software written in PHP. When a criteria is not met on a host, piwigo defaults to usingmt_rand in order to generate password reset tokens. mt_rand output can be predicted after recovering the seed used to generate it. This low an unauthenticated attacker to take over an account providing they know an administrators email address in order to be able to request password reset.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (71.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2016-3735: held from 0.014 to 0.014.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

  • Piwigo
  • Piwigo — versions piwigo < 2.8.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-3735?
CVE-2016-3735 is a high-severity vulnerability in Piwigo, classified under Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG). CVSS score: 8.1/10. Published 2022-01-28.
How severe is CVE-2016-3735?
High severity. CVSS v3 base score is 8.1 out of 10.