Skip to content
Fencer Vulns
critical 9.8

CVE-2020-25537 json

File upload vulnerability exists in UCMS 1.5.0, and the attacker can take advantage of this vulnerability to obtain server management permi…

published 2020-11-30 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-18222

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

File upload vulnerability exists in UCMS 1.5.0, and the attacker can take advantage of this vulnerability to obtain server management permission.

Exploit prediction

1.86% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • sunian19.github.io https://sunian19.github.io/2020/09/11/UCMS%20v1.5.0%20Arbitrary%20file%20upload%20vulnerability/ referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/BigTiger2020/UCMS/blob/main/UCMS%20v1.5.0%20Arbitrary%20file%20upload%20vulnerability%20get%20shell.md 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 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

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.