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CVE-2021-22966

UNKNOWN
Published 2021-11-19T18:09:48
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No CVSS data available

Description

Privilege escalation from Editor to Admin using Groups in Concrete CMS versions 8.5.6 and below. If a group is granted "view" permissions on the bulkupdate page, then users in that group can escalate to being an administrator with a specially crafted curl. Fixed by adding a check for group permissions before allowing a group to be moved. Concrete CMS Security team CVSS scoring: 7.1 AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HCredit for discovery: "Adrian Tiron from FORTBRIDGE ( https://www.fortbridge.co.uk/ )"This fix is also in Concrete version 9.0.0

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

Improper Privilege Management in Concrete CMS

GHSA-j4mv-2rv7-v2j9

Advisory Details

Privilege escalation from Editor to Admin using Groups in Concrete CMS versions 8.5.6 and below. If a group is granted "view" permissions on the bulkupdate page, then users in that group can escalate to being an administrator with a specially crafted curl. Fixed by adding a check for group permissions before allowing a group to be moved.

Affected Packages

Packagist concrete5/core
ECOSYSTEM: ≥0 <8.5.7

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-22966
WEB https://hackerone.com/reports/1362747
WEB https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes

Advisory provided by GitHub Security Advisory Database. Published: November 23, 2021, Modified: July 13, 2022

References

https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes
https://hackerone.com/reports/1362747
Published: 2021-11-19T18:09:48
Last Modified: 2024-08-03T18:58:26.123Z
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