How severe is CVE-2023-27195?

CVE-2023-27195 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-27195 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-27195?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2023-27195 have an EU (EUVD) identifier?

Yes. CVE-2023-27195 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-30975.

When was CVE-2023-27195 published?

CVE-2023-27195 was published on 2024-11-08 and last updated on 2026-06-17.

CVE-2023-27195

CVE-2023-27195 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-30975
Weakness: CWE-276
Published: 2024-11-08
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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. If the access code was used to create an Administrator account, attackers are also able to register new Administrator accounts with full privileges.
How severe is CVE-2023-27195?: CVE-2023-27195 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-27195 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-27195?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-27195 have an EU (EUVD) identifier?: Yes. CVE-2023-27195 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-30975.
When was CVE-2023-27195 published?: CVE-2023-27195 was published on 2024-11-08 and last updated on 2026-06-17.

References

Other CWE-276 (Incorrect Default Permissions) vulnerabilities

CVE-2022-42150 — Critical (CVSS 10.0): TinyLab linux-lab v1.1-rc1 and cloud-labv0.8-rc2, v1.1-rc1 are vulnerable to insecure permissions. The default…
CVE-2020-29492 — Critical (CVSS 10.0): Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability. A remote…
CVE-2020-29491 — Critical (CVSS 10.0): Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability. A remote…
CVE-2025-40585 — Critical (CVSS 9.9): A vulnerability has been identified in Energy Services (All versions with G5DFR). Affected solutions using G5DFR…
CVE-2019-19896 — Critical (CVSS 9.9): In IXP EasyInstall 6.2.13723, there is Remote Code Execution via weak permissions on the Engine Service share. The…
CVE-2020-37129 — Critical (CVSS 9.8): Memu Play 7.1.3 contains an insecure folder permissions vulnerability that allows low-privileged users to modify the…

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