How severe is CVE-2025-25235?

CVE-2025-25235 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-25235 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-25235?

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-2025-25235 have an EU (EUVD) identifier?

Yes. CVE-2025-25235 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24188.

When was CVE-2025-25235 published?

CVE-2025-25235 was published on 2025-08-11 and last updated on 2026-06-17.

CVE-2025-25235

CVE-2025-25235 is a high-severity vulnerability with a CVSS 3.x base score of 8.6. 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-918.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24188
Weakness: CWE-918
Published: 2025-08-11
Last modified: 2026-06-17

Description

Server-Side Request Forgery (SSRF) in Omnissa Secure Email Gateway (SEG) in SEG prior to 2.32 running on Windows and SEG prior to 2503 running on UAG allows routing of network traffic such as HTTP requests to internal networks.

Frequently asked questions

What is CVE-2025-25235?: Server-Side Request Forgery (SSRF) in Omnissa Secure Email Gateway (SEG) in SEG prior to 2.32 running on Windows and SEG prior to 2503 running on UAG allows routing of network traffic such as HTTP requests to internal networks.
How severe is CVE-2025-25235?: CVE-2025-25235 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-25235 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-25235?: 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-2025-25235 have an EU (EUVD) identifier?: Yes. CVE-2025-25235 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24188.
When was CVE-2025-25235 published?: CVE-2025-25235 was published on 2025-08-11 and last updated on 2026-06-17.

References

https://www.omnissa.com/omsa-2025-0003/

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