CVE-2008-4102 json
Joomla! 1.5 before 1.5.7 initializes PHP's PRNG with a weak seed, which makes it easier for attackers to guess the pseudo-random values pro…
published 2008-09-18 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-4086
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
Joomla! 1.5 before 1.5.7 initializes PHP's PRNG with a weak seed, which makes it easier for attackers to guess the pseudo-random values produced by PHP's mt_rand function, as demonstrated by guessing password reset tokens, a different vulnerability than CVE-2008-3681.
Exploit prediction
2.38% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-189 Numeric Errors
References
-
marc.info
/?l=oss-security&m=122152798516853&w=2
mailing-list
-
securityreason.com
/securityalert/4271
third-party-advisory
-
securityfocus.com
/archive/1/496237/100/0/threaded
mailing-list
-
secunia.com
/advisories/31789
third-party-advisory
- suspekt.org /2008/08/17/mt_srand-and-not-so-random-numbers/
-
exchange.xforce.ibmcloud.com
/vulnerabilities/45068
vdb-entry
-
marc.info
/?l=oss-security&m=122115344915232&w=2
mailing-list
-
marc.info
/?l=oss-security&m=122118210029084&w=2
mailing-list
- developer.joomla.org /security/news/272-20080902-core-random-number-generation-flaw.html
- sektioneins.de /advisories/SE-2008-04.txt
Sources
- CVE List CVE-2008-4102
- NVD CVE-2008-4102
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.