01 Record
CVE-2020-28734
Plone before 5.2.3 allows XXE attacks via a feature that is explicitly only available to the Manager role.
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
Plone before 5.2.3 allows XXE attacks via a feature that is explicitly only available to the Manager role.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.45% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 72.9% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-12-30 18:35Z5 YR AGO
- Last updated
- 2024-08-04 16:40Z2 YR AGO
- Reserved
- 2020-11-16
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-611Improper Restriction of XML External Entity ReferenceBase
- Data version
- 5.1
- Document digest
- b22617a0d5e7bfc9073302d7d92a12dde74e1b89d5c09c487fdfafb1d3827841
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.misakikata.comhttps://www.misakikata.com/codes/plone/python-en.html
- github.comhttps://github.com/plone/Products.CMFPlone/issues/3209
- dist.plone.orghttps://dist.plone.org/release/5.2.3/RELEASE-NOTES.txt