Missing password strength checks on some forms in Plone 4.3 through 5.2.0 allow users to…
Priority LOW 35CWE-521Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-521.
Summary
Missing password strength checks on some forms in Plone 4.3 through 5.2.0 allow users to set weak passwords, leading to easier cracking.
Why it matters now
EPSS 0.01265 69th percentileScored 2026-11-07
Fix Partial Plone (PyPI): 4.3.20, 5.1.7, 5.2.2Red Hat: 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | Plone (PyPI) | 4.3 to before 4.3.20 | 4.3.20 | Patch available | GHSA-cw58-gpgw-hwx2 |
| — | Plone (PyPI) | 5.0rc1 to before 5.1.7 | 5.1.7 | Patch available | GHSA-cw58-gpgw-hwx2 |
| — | Plone (PyPI) | 5.2.0 to before 5.2.2 | 5.2.2 | Patch available | GHSA-cw58-gpgw-hwx2 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- Plone (PyPI) Vendor— Affected 4.3 to before 4.3.20 Fixed in 4.3.20 Patch available GHSA-cw58-gpgw-hwx2
- Plone (PyPI) Vendor— Affected 5.0rc1 to before 5.1.7 Fixed in 5.1.7 Patch available GHSA-cw58-gpgw-hwx2
- Plone (PyPI) Vendor— Affected 5.2.0 to before 5.2.2 Fixed in 5.2.2 Patch available GHSA-cw58-gpgw-hwx2
Remediation
- Fix · GHSA-cw58-gpgw-hwx2 Plone (PyPI) Fixed in 4.3.20 Advisory →
- Fix · GHSA-cw58-gpgw-hwx2 Plone (PyPI) Fixed in 5.1.7 Advisory →
- Fix · GHSA-cw58-gpgw-hwx2 Plone (PyPI) Fixed in 5.2.2 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Out of support scope |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-7940
- 2026-10-03 Alias added: GHSA-cw58-gpgw-hwx2
References
Advisory 5
More Plone vulnerabilities
- TI-2011-03162 Unspecified vulnerability in Zope 2.12.x and 2.13.x, as used in Plone 4.0.x through… CVSS 2.0HIGH 9.3
- TI-2021-13226 An issue in Plone CMS v. CVSS 3.1HIGH 8.8
- TI-2024-15757 The HTTP PUT and DELETE methods are enabled in the Plone official Docker version 5.2.13… CVSS 3.1HIGH 7.5
- TI-2021-12911 Plone through 5.2.4 allows remote authenticated managers to perform disk I/O via crafted… CVSS 3.1CRITICAL 9.9
- TI-2020-17872 The official plone Docker images before version of 4.3.18-alpine (Alpine specific)… CVSS 3.1CRITICAL 9.8
- TI-2020-06422 A privilege escalation issue in plone.app.contenttypes in Plone 4.3 through 5.2.1 allows… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-7940 · CVE Program
- CVE-2020-7940 · NVD
- FIRST EPSS
- GHSA-cw58-gpgw-hwx2 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-7940 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences