CVE-2020-7941 json
Plone Unauthenticated Write Vulnerability
published 6y ago modified last mo. also GHSA-w6g9-xccc-347h , PYSEC-2020-90 , PYSEC-2026-459 , EUVD-2020-0148
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.3%
- EPSS 2.3% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
A privilege escalation issue in plone.app.contenttypes in Plone 4.3 through 5.2.1 allows users to PUT (overwrite) some content without needing write permission.
Patch / fix
- pypi plone 5.2.2
- pypi plone-app-contenttypes 2.1.6
Is CVE-2020-7941 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2020-7941 updated cvss 9.8
plone: privilege escalation for overwriting content without needing write permission
-
Red Hat Enterprise Linux 5 congaaffected: no fix planned “Out of support scope”
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
2.27% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| OSV | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | plone | >=4.3, <=5.2.1 >=4.3, <5.2.2 |
5.2.2 |
| pypi | plone-app-contenttypes | all versions <2.1.6 |
2.1.6 |
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
-
plone.org
/security/hotfix/20200121
web, vendor-advisory
-
plone.org
/security/hotfix/20200121/privilege-escalation-for-overwriting-content
web, vendor-advisory
-
openwall.com
/lists/oss-security/2020/01/22/1
web, mailing-list, third-party-advisory
-
openwall.com
/lists/oss-security/2020/01/24/1
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-7941
advisory
-
github.com
/plone/plone.app.contenttypes
package
-
github.com
/plone/plone.app.contenttypes/blob/master/CHANGES.rst?plain=1#L372-L374
web
-
github.com
/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2020-90.yaml
web
-
pypi.org
/project/plone-app-contenttypes
package
-
github.com
/advisories/GHSA-w6g9-xccc-347h
advisory
Sources
- CVE List CVE-2020-7941
- GitHub Advisory GHSA-w6g9-xccc-347h
- NVD CVE-2020-7941
- OSV PYSEC-2026-459
- OSV PYSEC-2020-90
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.