Auth bypass in Telesquare Tlr-2005ksh
CVE-2021-45428
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.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.569 (99.1th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.569 · newest: 0.569 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- drive.google.com/file/d/1wM1SPOfB9mH2SES7cAmlysuI9fOpFB3F/view (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/167101/TLR-2005KSH-Arbitrary-File-Upload.html (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-45428?
- CVE-2021-45428 is a critical-severity vulnerability in Telesquare Tlr-2005ksh, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.8/10. Published 2022-01-03.
- How severe is CVE-2021-45428?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-45428 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.