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Fencer Vulns
high 8.8

CVE-2020-24621 json

A remote code execution (RCE) vulnerability was discovered in the htmlformentry (aka HTML Form Entry) module before 3.11.0 for OpenMRS.

published 2020-09-25 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-17337

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

A remote code execution (RCE) vulnerability was discovered in the htmlformentry (aka HTML Form Entry) module before 3.11.0 for OpenMRS. By leveraging path traversal, a malicious Velocity Template Language file could be written to a directory. This file could then be accessed and executed.

Patch / fix

  • openmrs htmlformentry 3.11.0

Exploit prediction

3.15% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • contrastsecurity.com https://www.contrastsecurity.com/security-influencers/authenticated-remote-code-execution-openmrs referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

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.