CVE-2021-33926
unknown
CVSS v3
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CVSS v2
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VIR risk
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Description
An issue in Plone CMS v. 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.1rc2, 5.1rc1, 5.1b4, 5.1b3, 5.1b2, 5.1a2, 5.1a1, 5.1.7, 5.1.6, 5.1.5, 5.1.4, 5.1.2, 5.1.1 5.1, 5.0rc3, 5.0rc2, 5.0rc1, 5.0.9, 5.0.8, 5.0.7, 5.0.6, 5.0.5, 5.0.4, 5.0.3, 5.0.2, 5.0.10, 5.0.1, 5.0, 4.3.9, 4.3.8, 4.3.7, 4.3.6, 4.3.5, 4.3.4, 4.3.3, 4.3.20, 4 allows attacker to access sensitive information via the RSS feed protlet.
Predictions
Exploit likelihood
30%
Patch ETA
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Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | plone | >=4.3,<5.2.5 | 5.2.5 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-33926
- https://github.com/plone/Plone
- https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2023-289.yaml
- https://github.com/s-kustm/Subodh/blob/master/Plone%205.2.4%20Vulnerable%20to%20bilend%20SSRF.pdf
- https://plone.org/security/hotfix/20210518
- https://plone.org/security/hotfix/20210518/blind-ssrf-via-feedparser-accessing-an-internal-url
Verify integrity in audit chain (admin only). AS-IS.