CVE-2020-26032 Server-side request forgery in n/a
An attacker can exploit an SSRF vulnerability in Zammad's SMS configuration to request internal URLs and disclose information from intranet systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-26032?
CVE-2020-26032 is a high-severity server-side request forgery vulnerability in Zammad Zammad, published on 28 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An SSRF issue was discovered in Zammad before 3.4.1. The SMS configuration interface for Massenversand is implemented in a way that renders the result of a test request to the User. An attacker can use this to request any URL via a GET request from the network interface of the server. This may lead to disclosure of information from intranet systems.
Weakness: CWE-918
Which versions are affected by CVE-2020-26032?
It affects 1 product.
Products include Zammad Zammad.
How do I fix CVE-2020-26032?
No fix has been published for CVE-2020-26032 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-2020-26032 being exploited?
There is no known exploitation of CVE-2020-26032 in the wild and no public exploit code.
Other vulnerabilities in Zammad Zammad
Sources
Also known as GHSA-36cv-vc44-8fvg.