CVE-2025-25234
Omnissa UAG CORS Bypass Vulnerability
Description
Omnissa UAG contains a Cross-Origin Resource Sharing (CORS) bypass vulnerability. A malicious actor with network access to UAG may be able to bypass administrator-configured CORS restrictions to gain access to sensitive networks.
INFO
Published Date :
April 17, 2025, 3:15 p.m.
Last Modified :
April 21, 2025, 6:35 p.m.
Source :
de5a6978-88fe-4c27-a7df-d0d5b52d5b52
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-25234
.
URL | Resource |
---|---|
https://static.omnissa.com/sites/default/files/OMSA-2025-0002.pdf | Vendor Advisory |
https://www.omnissa.com/omnissa-security-response/ | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-25234
vulnerability anywhere in the article.

-
The Register
Google's email spoofed by cunning phisherfolk who re-used DKIM creds
Infosec In Brief Email security outfit EasyDMARC recently spotted a phishing campaign that successfully spoofed Google with a sophisticated attack. As explained in a technical breakdown, the attackers ... Read more
The following table lists the changes that have been made to the
CVE-2025-25234
vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 21, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Added CPE Configuration OR *cpe:2.3:a:omnissa:unified_access_gateway:*:*:*:*:*:*:*:* versions up to (excluding) 2503 Added Reference Type Omnissa: https://static.omnissa.com/sites/default/files/OMSA-2025-0002.pdf Types: Vendor Advisory Added Reference Type Omnissa: https://www.omnissa.com/omnissa-security-response/ Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Apr. 17, 2025
Action Type Old Value New Value Added CWE CWE-942 -
New CVE Received by de5a6978-88fe-4c27-a7df-d0d5b52d5b52
Apr. 17, 2025
Action Type Old Value New Value Added Description Omnissa UAG contains a Cross-Origin Resource Sharing (CORS) bypass vulnerability. A malicious actor with network access to UAG may be able to bypass administrator-configured CORS restrictions to gain access to sensitive networks. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N Added Reference https://static.omnissa.com/sites/default/files/OMSA-2025-0002.pdf Added Reference https://www.omnissa.com/omnissa-security-response/
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-25234
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-25234
weaknesses.