How severe is CVE-2012-1581?

CVE-2012-1581 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-1581 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1581?

CVE-2012-1581 primarily affects Mediawiki. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-1581?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-1581 published?

CVE-2012-1581 was published on 2012-09-09 and last updated on 2026-06-16.

CVE-2012-1581

CVE-2012-1581 is a medium-severity vulnerability in Mediawiki with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Mediawiki
Published: 2012-09-09
Last modified: 2026-06-16

Description

MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 uses weak random numbers for password reset tokens, which makes it easier for remote attackers to change the passwords of arbitrary users.

Frequently asked questions

What is CVE-2012-1581?: MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 uses weak random numbers for password reset tokens, which makes it easier for remote attackers to change the passwords of arbitrary users.
How severe is CVE-2012-1581?: CVE-2012-1581 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-1581 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-1581?: CVE-2012-1581 primarily affects Mediawiki. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-1581?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-1581 published?: CVE-2012-1581 was published on 2012-09-09 and last updated on 2026-06-16.

References

Affected products (11)

cpe:2.3:a:mediawiki:mediawiki:1.17:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.17:beta_1:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.17.0:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.17.0:rc1:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.17.1:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.17.2:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.18:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.18:beta_1:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.18.0:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.18.0:rc1:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:1.18.1:*:*:*:*:*:*:*

More vulnerabilities in Mediawiki

CVE-2025-67484 — Critical (CVSS 9.8): Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files…
CVE-2024-34502 — Critical (CVSS 9.8): An issue was discovered in WikibaseLexeme in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1.…
CVE-2023-37303 — Critical (CVSS 9.8): An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In certain situations, an attempt to…
CVE-2023-29141 — Critical (CVSS 9.8): An issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6, and 1.39.x before 1.39.3. An…
CVE-2022-29906 — Critical (CVSS 9.8): The admin API module in the QuizGame extension for MediaWiki through 1.37.2 (before…
CVE-2022-29904 — Critical (CVSS 9.8): The SemanticDrilldown extension for MediaWiki through 1.37.2 (before e688bdba6434591b5dff689a45e4d53459954773) allows…

All CVEs affecting Mediawiki →

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities

CVE-2016-8363 — Critical (CVSS 10.0): An issue was discovered in Moxa OnCell OnCellG3470A-LTE, AWK-1131A/3131A/4131A Series, AWK-3191 Series, AWK-5232/6232…
CVE-2016-7457 — Critical (CVSS 10.0): VMware vRealize Operations (aka vROps) 6.x before 6.4.0 allows remote authenticated users to gain privileges, or halt…
CVE-2015-7425 — Critical (CVSS 10.0): The Data Protection component in the VMware vSphere GUI in IBM Tivoli Storage Manager for Virtual Environments: Data…
CVE-2015-8267 — Critical (CVSS 10.0): The PasswordReset.Controllers.ResetController.ChangePasswordIndex method in PasswordReset.dll in Dovestones AD Self…
CVE-2015-7919 — Critical (CVSS 10.0): SearchBlox 8.3 before 8.3.1 allows remote attackers to write to the config file, and consequently cause a denial of…
CVE-2015-7071 — Critical (CVSS 10.0): The File Bookmark component in Apple OS X before 10.11.2 allows attackers to bypass a sandbox protection mechanism for…

Browse all CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities →