Unscored severity · published Nov 23, 2011
CVE-2011-4321
The password reset functionality in Joomla! 1.5.x through 1.5.24 uses weak random numbers, which makes it easier for remote attackers to change the passwords of arbitrary users…
–
CVSS
0.9%
EPSS
No
On KEV
Description
The password reset functionality in Joomla! 1.5.x through 1.5.24 uses weak random numbers, which makes it easier for remote attackers to change the passwords of arbitrary users via unspecified vectors.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JO
Joomla · Joomla
1.5.0; 1.5.1; 1.5.2; 1.5.3; 1.5.4; 1.5.5; +20 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-4321
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-4321
developer.joomla.org
http://developer.joomla.org/security/news/9-security/10-core-security/375-20111103-core-password-change
www.openwall.com
http://www.openwall.com/lists/oss-security/2011/11/21/1
More from Joomla
9.8
CVE-2016-10033
The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command and consequently execute…
5.3
CVE-2023-23752
[20230201] - Core - Improper access check in webservice endpoints
9.8
CVE-2026-73373
Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2
9.8
CVE-2026-35221
Joomla! Core - [20260506] - Authenticated blind SQLi in com_finder
9.8
CVE-2026-40383
Joomla! Core - [20260509] - LFI in HTMLView layout parameter