TI-2025-18901 Aliases CVE-2025-25235 GHSA-pgr9-w2r6-xp6r

Omnissa Secure Email Gateway (SEG) updates address Server-Side Request Forgery (SSRF) vulnerability

LOW 37CWE-918Published 2025-08-11 · Updated 2025-08-12

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00323 25th percentileScored 2026-11-07

Fix Fixed Secure Email Gateway (Omnissa): 2.32 and later, 2503 and later

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Omnissa	Secure Email Gateway	—	2.32 and later, 2503 and later	Patch available	CNA

Secure Email Gateway VendorOmnissa Affected — Fixed in 2.32 and later, 2503 and later Patch available CNA

Remediation

Fix · CNA Secure Email Gateway (Omnissa) Fixed in 2.32 and later, 2503 and later

Timeline

2026-10-02 Threatist record created from CVE-2025-25235
2026-10-03 Alias added: GHSA-pgr9-w2r6-xp6r

References

Other 1

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

TI-2021-05093 Server-side request forgery in VMware Workspace ONE UEM console KEVCVSS 3.1HIGH 7.5
TI-2025-18899 Path traversal in Omnissa Workspace ONE UEM CVSS 3.1HIGH 7.5
TI-2026-18412 Omnissa Workspace ONE® Tunnel for Windows addresses a Local Privilege Escalation Vulnerability. CVSS 3.1HIGH 7.8
TI-2026-18411 Omnissa Workspace ONE® Assist for macOS contains a Local Privilege Escalation Vulnerability. CVSS 3.1HIGH 7.8
TI-2025-18898 Improper privilege management in Omnissa Horizon Client for Windows CVSS 3.1HIGH 7.8
TI-2024-10629 Incorrect default permissions in Omnissa Horizon Client for MacOS CVSS 3.1HIGH 7.8

See all 10 →

Sources

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