CVE-2020-7936 json
Plone Open Redirect Vulnerability
published 6y ago modified 4mo ago also GHSA-82j9-wfcf-9v2h , PYSEC-2020-85 , EUVD-2020-0143
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
An open redirect on the login form (and possibly other places) in Plone 4.0 through 5.2.1 allows an attacker to craft a link to a Plone Site that, when followed, and possibly after login, will redirect to an attacker's site.
Patch / fix
- pypi plone 4.3.20, 5.1.7, 5.2.2
Is CVE-2020-7936 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-2020-7936 updated cvss 6.1
plone: open redirection on the login form and possibly other places
-
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
0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | plone | >=4.0, <4.3.20 >=5.0rc1, <5.1.7 >=5.2.0, <5.2.2 >=4.0, <5.2.2 |
4.3.20 5.1.7 5.2.2 |
Classification
- Weakness
-
- CWE-601 URL Redirection to Untrusted Site
References
-
plone.org
/security/hotfix/20200121/an-open-redirection-on-the-login-form-and-possibly-other-places
web, vendor-advisory
-
plone.org
/security/hotfix/20200121
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-2020-7936
advisory
-
github.com
/plone/Plone
package
-
github.com
/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2020-85.yaml
web
-
github.com
/advisories/GHSA-82j9-wfcf-9v2h
advisory
Sources
- CVE List CVE-2020-7936
- GitHub Advisory GHSA-82j9-wfcf-9v2h
- NVD CVE-2020-7936
- OSV PYSEC-2020-85
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.