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CVE-2020-11476Concrete5 before 8.5.3 allows Unrestricted Upload of File with Dangerous Type such as a .phar file.
- 7.2HighCVSS base score
- 2.9%Exploitation in 30 daysEPSS · top 13% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Concrete5 before 8.5.3 allows Unrestricted Upload of File with Dangerous Type such as a .phar file.
Timeline
ID reserved
By mitre
- 4 months later
· 4 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.9% · top 13% of all CVEs (12 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistconcrete5/concrete5GHSA-hf9p-9r39-r2h3 (opens in a new tab)
References
References4
- https://herolab.usd.de/security-advisories/ (opens in a new tab)x_refsource_MISCx_transferred
- https://herolab.usd.de/security-advisories/usd-2020-0041/ (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/concrete5/concrete5/pull/8713 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/concrete5/concrete5/releases/tag/8.5.3 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2021-2356 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-hf9p-9r39-r2h3 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-11476)Record last updated .