SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2023-27195

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.

CRITICAL 9.8EPSS 1.01%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.01%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.01% probability · 62th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-276
Source
cve@mitre.org
EPSS trend
0%3%5%7 October 2026: 1.01%7 October 20267 October 2026

EPSS 1.0% since 7 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.