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Fencer Vulns
critical 9.8

CVE-2021-45428 in the critical feed json

TLR-2005KSH is affected by an incorrect access control vulnerability.

published 2022-01-03 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32199

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
56.9%
EPSS 56.9% chance of exploitation in 30 days, percentile 99%
public exploits
1
Exploit-DB, plus a Nuclei check

Summary

TLR-2005KSH is affected by an incorrect access control vulnerability. THe PUT method is enabled so an attacker can upload arbitrary files including HTML and CGI formats.

Timeline

  1. Published
  2. First public exploit (EDB-50931)

Exploit prediction

56.93% chance of exploitation in the next 30 days, higher than 99% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-50931 TLR-2005KSH - Arbitrary File Upload webapps, 2022-05-11
  • Nuclei template Telesquare TLR-2005KSH 1.0.0 - Arbitrary File Upload nuclei detection template
  • drive.google.com https://drive.google.com/file/d/1wM1SPOfB9mH2SES7cAmlysuI9fOpFB3F/view?usp=sharing referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/167101/TLR-2005KSH-Arbitrary-File-Upload.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-639 Authorization Bypass Through User-Controlled Key

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.