CVE-2025-34140
CVE-2025-34140 is a high-severity vulnerability with a CVSS 4.0 base score of 8.7. 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-639.
Key facts
- Severity: High (CVSS 4.0 base score 8.7)
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-22313
- Weakness: CWE-639
- Published:
- Last modified:
Description
An authorization bypass vulnerability exists in ETQ Reliance (legacy CG and NXG SaaS platforms). By appending a specific URI suffix to certain API endpoints, an unauthenticated attacker can bypass access control checks and retrieve limited sensitive resources. The root cause was a misconfiguration in API authorization logic, which has since been corrected in SE.2025.1 and 2025.1.2.
Frequently asked questions
- What is CVE-2025-34140?
- An authorization bypass vulnerability exists in ETQ Reliance (legacy CG and NXG SaaS platforms). By appending a specific URI suffix to certain API endpoints, an unauthenticated attacker can bypass access control checks and retrieve limited sensitive resources. The root cause was a misconfiguration in API authorization logic, which has since been corrected in SE.2025.1 and 2025.1.2.
- How severe is CVE-2025-34140?
- CVE-2025-34140 has a CVSS 4.0 base score of 8.7, rated high severity.
- Is CVE-2025-34140 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-34140?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-34140 have an EU (EUVD) identifier?
- Yes. CVE-2025-34140 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22313.
- When was CVE-2025-34140 published?
- CVE-2025-34140 was published on 2025-07-22 and last updated on 2026-06-17.
References
- https://www.etq.com/blog/etq-reliance-security-update/
- https://www.etq.com/product-overview/
- https://www.vulncheck.com/advisories/etq-reliance-cg-nxg-api-authorization-bypass-via-localized-text-uri-suffix
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