CVE-2024-21651

mediumpriority · track · 26EPSS 0.006 · 50 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.64% (50th) EPSS

CVSS 6.5 · medium

Is it mine?

10 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. A user able to attach a file to a page can post a malformed TAR file by manipulating file modification times headers, which when parsed by Tika, could cause a denial of service issue via CPU consumption. This vulnerability has been patched in XWiki 14.10.18, 15.5.3 and 15.8 RC1.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6–7.5

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · security-advisories@github.comexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USCWE-400US

affected products (10)

Products and version ranges known to be affected.

xwiki xwiki-platformall versionsenisa_euvdEU
xwiki xwiki-platform14.10, → 14.10.18enisa_euvdEU
xwiki xwiki-platform15.0-rc-1, → 15.5.3enisa_euvdEU
xwiki xwiki-platform15.6-rc-1, → 15.8-rc-1enisa_euvdEU
xwiki xwiki14.10 → 14.10.18nvdUScpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
xwiki xwiki15.5 → 15.5.3nvdUScpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
xwiki xwiki15.6 → 15.8nvdUScpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
Maven org.xwiki.platform:xwiki-platform-distribution-war14.10 → 14.10.18osvUSpkg:maven/org.xwiki.platform/xwiki-platform-distribution-war
Maven org.xwiki.platform:xwiki-platform-distribution-war15.0-rc-1 → 15.5.3osvUSpkg:maven/org.xwiki.platform/xwiki-platform-distribution-war
Maven org.xwiki.platform:xwiki-platform-distribution-war15.6-rc-1 → 15.8-rc-1osvUSpkg:maven/org.xwiki.platform/xwiki-platform-distribution-war

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-8959-rfxh-r4j4XWiki vulnerable to Denial of Service attack through attachments2024-01-08ghsa · osvUS
### Impact A user able to attach a file to a page can post a malformed TAR file by manipulating file modification times headers, which when parsed by Tika, could cause a denial of service issue via CPU consumption. ### Patches This vulnerability has been patched in XWiki 14.10.18, 15.5.3 and 15.8 RC1. ### Workarounds The workaround is to download [commons-compress 1.24](https://search.maven.org/remotecontent?filepath=org/apache/commons/commons-compress/1.24.0/commons-compress-1.24.0.jar) and replace the one located in XWiki `WEB-INF/lib/` folder. ### References https://jira.xwiki.org/browse/XCOMMONS-2796 ### For more information If you have any questions or comments about this advisory: * Open an issue in [Jira XWiki.org](https://jira.xwiki.org/) * Email us at [Security Mailing List](mailto:security@xwiki.org)

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2024-01-09modified 2026-06-17

references (8)

External citations — patches, advisories, analysis.

scry

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