CVE-2020-26034 Information disclosure in n/a
An anonymous attacker can enumerate valid user email addresses by observing different responses from the user creation feature.
- 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-2020-26034?
CVE-2020-26034 is a medium-severity vulnerability in Zammad Zammad, published on 28 Dec 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An account-enumeration issue was discovered in Zammad before 3.4.1. The Create User functionality is implemented in a way that would enable an anonymous user to guess valid user email addresses. The application responds differently depending on whether the input supplied was recognized as associated with a valid user.
Which versions are affected by CVE-2020-26034?
It affects 1 product.
Products include Zammad Zammad.
How do I fix CVE-2020-26034?
No fix has been published for CVE-2020-26034 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-26034 being exploited?
There is no known exploitation of CVE-2020-26034 in the wild and no public exploit code.
Other vulnerabilities in Zammad Zammad
Sources
Also known as GHSA-r5vx-622x-4rx2.