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CVE-2008-4102
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…
- 7.5HighCVSS base score
- 2.4%Exploitation in 30 daysEPSS · top 16% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By mitre
- 3 days later
· 3 days later
Published
- 16 years later
· 16 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 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 2.4% · top 16% 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: High 7.5.
Affected products
n/a
- affected n/a
References
10
- [oss-security] 20080916 Re: CVE request: joomla < 1.5.7 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 4271 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- 20080911 Advisory 04/2008: Joomla Weak Random Password Reset Token Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 31789 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.suspekt.org/2008/08/17/mt_srand-and-not-so-random-numbers/ (opens in a new tab)x_refsource_MISCx_transferred
- joomla-randomnumbers-info-disclosure(45068) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- [oss-security] 20080911 CVE request: joomla < 1.5.7 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20080911 CVE request for Joomla multiple vuln. (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://developer.joomla.org/security/news/272-20080902-core-random-number-generation-flaw.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.sektioneins.de/advisories/SE-2008-04.txt (opens in a new tab)x_refsource_MISCx_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-2008-4086 (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-2008-4102)Record last updated .