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Fencer Vulns
critical 9.8

CVE-2020-29592 json

An issue was discovered in Orchard before 1.10.

published 2021-04-14 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-21953

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

An issue was discovered in Orchard before 1.10. A broken access control issue in Orchard components that use the TinyMCE HTML editor's file upload allows an attacker to upload dangerous executables that bypass the file types allowed (regardless of the file types allowed list in Media settings).

Patch / fix

  • orchardproject orchard 1.10

Exploit prediction

2.18% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • burninatorsec.blogspot.com https://burninatorsec.blogspot.com/2021/04/cve-2020-29592-and-cve-2020-29593.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

Sources

Fencer Vulns 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.