RCE in Xwiki
CVE-2021-32621
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In versions prior to 12.6.7 and 12.10.3, a user without Script or Programming right is able to execute script requiring privileges by editing gadget titles in the dashboard. The issue has been patched in XWiki 12.6.7, 12.10.3 and 13.0RC1.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Xwiki — versions 3.0
- Xwiki Xwiki-Platform — versions < 12.6.7, >= 12.10.0, < 12.10.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/xwiki/xwiki-platform/security/advisories/GHSA-h353-hc43-95vc (Third Party Advisory)
- jira.xwiki.org/browse/XWIKI-17794 (Permissions Required, Vendor Advisory)
- github.com/xwiki/xwiki-platform/commit/bb7068bd911f91e5511f3cfb03276c7ac81100bc (Patch, Third Party Advisory)
- jay-from-future.github.io/cve/2021/06/17/xwiki-rce-cve.html (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-32621?
- CVE-2021-32621 is a high-severity vulnerability in Xwiki, classified under Code Injection. CVSS score: 8.8/10. Published 2021-05-28.
- How severe is CVE-2021-32621?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-32621 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.