CVE-2025-6504 Possibilities of IP Spoofing via X-Forwarded-For (XFF) Header
Attackers can bypass IP whitelisting restrictions by spoofing the X-Forwarded-For header, though valid credentials are still required for access.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-6504?
CVE-2025-6504 is a high-severity vulnerability in Progress Software Hybrid Data Pipeline, published on 29 Jul 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
In HDP Server versions below 4.6.2.2978 on Linux, unauthorized access could occur via IP spoofing using the X-Forwarded-For header.
Since XFF is a client-controlled header, it could be spoofed, allowing unauthorized access if the spoofed IP matched a whitelisted range.
This vulnerability could be exploited to bypass IP restrictions, though valid user credentials would still be required for resource access.
Weakness: CWE-345
Which versions are affected by CVE-2025-6504?
It affects 1 product.
Products include Progress Hybrid Data Pipeline.
How do I fix CVE-2025-6504?
No fix has been published for CVE-2025-6504 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-6504 being exploited?
There is no known exploitation of CVE-2025-6504 in the wild and no public exploit code.
Other vulnerabilities in Progress Software Hybrid Data Pipeline
Sources
Also known as GHSA-8547-8823-m279.