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Fencer Vulns
critical 9.8

CVE-2023-27195 json

Trimble TM4Web 22.2.0 allows unauthenticated attackers to access /inc/tm_ajax.msw?func=UserfromUUID&uuid= to retrieve the last registration…

published 2024-11-08 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-30975

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

Trimble TM4Web 22.2.0 allows unauthenticated attackers to access /inc/tm_ajax.msw?func=UserfromUUID&uuid= to retrieve the last registration access code and use this access code to register a valid account. via a PUT /inc/tm_ajax.msw request. If the access code was used to create an Administrator account, attackers are also able to register new Administrator accounts with full privileges.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.01% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • trimble tm4web

Classification

Weakness
  • CWE-276 Incorrect Default Permissions

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.