CVE-2020-13891 Information disclosure in n/a
Attackers can obtain authorization tokens from the Mattermost iOS app, potentially leading to unauthorized access to user accounts.
- 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-2020-13891?
CVE-2020-13891 is a high-severity vulnerability in Mattermost Mattermost, published on 26 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Mattermost Mobile Apps before 1.31.2 on iOS. Unintended third-party servers could sometimes obtain authorization tokens, aka MMSA-2020-0022.
Which versions are affected by CVE-2020-13891?
It affects 1 product.
Products include Mattermost Mattermost.
How do I fix CVE-2020-13891?
No fix has been published for CVE-2020-13891 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-13891 being exploited?
There is no known exploitation of CVE-2020-13891 in the wild and no public exploit code.
Other vulnerabilities in Mattermost Mattermost
- CVE-2019-20851 Path traversal in n/a
- CVE-2024-39274 Malicious remote can add users to arbitrary teams and channels
- CVE-2024-39777 Malicious remote can invite itself to an arbitrary local channel
- CVE-2024-39830 Timing attack during remote cluster token comparison when shared channels are enabled
- CVE-2023-3615 Lack of server certificate validation in websockets connection
Sources
Also known as GHSA-6vjc-mjgp-qm8w.