CVE-2008-4102
Joomla! 1.5 before 1.5.7 initializes PHP's PRNG with a weak seed, which makes it easier for...
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 likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2008-4102- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2008-4102- Updated
- 2026-11-02
EUVDEUVD-2008-4086 No score
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.
- Record
EUVD-2008-4086- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cp48-2wcf-rx78 No score
Joomla! 1.5 before 1.5.7 initializes PHP's PRNG with a weak seed, which makes it easier for...
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.
- Record
GHSA-cp48-2wcf-rx78- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2008-4102 is a high vulnerability (CVSS 7.5) in Joomla, published September 18, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.38%, the 83rd percentile. No source names a fixed version.
References
marc.info?l=oss-security&m=122152798516853&w=2
securityreason.com/securityalert/4271
securityfocus.com/archive/1/496237/100/0/threaded
secunia.com/advisories/31789
suspekt.org/2008/08/17/mt_srand-and-not-so-random-numbers
exchange.xforce.ibmcloud.com/vulnerabilities/45068