CVE-2021-3758 Server-Side Request Forgery (SSRF) in bookstackapp/bookstack
An attacker can exploit a Server-Side Request Forgery vulnerability in BookStack to access internal resources or bypass security controls.
- 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-2021-3758?
CVE-2021-3758 is a medium-severity server-side request forgery vulnerability in bookstackapp/bookstack, published on 2 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
bookstack is vulnerable to Server-Side Request Forgery (SSRF)
Weakness: CWE-918
Which versions are affected by CVE-2021-3758?
It affects 1 product.
Products include Bookstackapp Bookstack.
How do I fix CVE-2021-3758?
No fix has been published for CVE-2021-3758 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-2021-3758 being exploited?
There is no known exploitation of CVE-2021-3758 in the wild and no public exploit code.
Other vulnerabilities in bookstackapp/bookstack
- CVE-2020-5256 Remote Code Execution Through Image Uploads in BookStack
- CVE-2020-26210 Cross-Site Scripting in BookStack
- CVE-2020-26211 Cross-Site Scripting in BookStack
- CVE-2022-0877 Cross-site Scripting (XSS) - Stored in bookstackapp/bookstack
- CVE-2021-3915 Unrestricted Upload of File with Dangerous Type in bookstackapp/bookstack
Sources
Also known as GHSA-gj43-r55q-5h6r.