CVE-2021-23927 Server-side request forgery in n/a
Attackers can exploit a Server-Side Request Forgery vulnerability in OX App Suite to access internal resources via crafted OAuth proxy requests.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-23927?
CVE-2021-23927 is a medium-severity server-side request forgery vulnerability in Open-Xchange Open-Xchange Appsuite, published on 12 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
OX App Suite through 7.10.4 allows SSRF via a URL with an @ character in an appsuite/api/oauth/proxy PUT request.
Weakness: CWE-918
Which versions are affected by CVE-2021-23927?
It affects 1 product.
Products include Open-Xchange Open-Xchange Appsuite.
How do I fix CVE-2021-23927?
No fix has been published for CVE-2021-23927 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2021-23927 being exploited?
There is no known exploitation of CVE-2021-23927 in the wild and no public exploit code.
Other vulnerabilities in Open-Xchange Open-Xchange Appsuite
Sources
Also known as GHSA-xwhw-2q44-qw48.