CVE-2021-37843 Auth bypass in n/a
Remote attackers can bypass authentication and log in to user accounts using only the username in Atlassian SAML SSO apps.
- 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-2021-37843?
CVE-2021-37843 is a critical authentication bypass vulnerability in n/a, published on 2 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The resolution SAML SSO apps for Atlassian products allow a remote attacker to login to a user account when only the username is known (i.e., no other authentication is provided). The fixed versions are for Jira: 3.6.6.1, 4.0.12, 5.0.5; for Confluence 3.6.6, 4.0.12, 5.0.5; for Bitbucket 2.5.9, 3.6.6, 4.0.12, 5.0.5; for Bamboo 2.5.9, 3.6.6, 4.0.12, 5.0.5; and for Fisheye 2.5.9.
Weakness: CWE-306
Which versions are affected by CVE-2021-37843?
It affects 1 product.
Products include Atlassian Saml Single Sign On.
How do I fix CVE-2021-37843?
No fix has been published for CVE-2021-37843 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-37843 being exploited?
There is no known exploitation of CVE-2021-37843 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-hghq-x3wh-37g2.