CVE-2015-0842 SQL injection in yubiserver
SQL injection in yubiserver allows attackers to bypass authentication and potentially access sensitive data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-0842?
CVE-2015-0842 is a critical SQL injection vulnerability in yubiserver, published on 26 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
yubiserver before 0.6 is prone to SQL injection issues, potentially leading to an authentication bypass.
Weakness: CWE-89
Which versions are affected by CVE-2015-0842?
It affects 1 product.
Products include Debian Yubiserver.
How do I fix CVE-2015-0842?
Upgrade to a fixed version.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2015-0842 being exploited?
There is no known exploitation of CVE-2015-0842 in the wild and no public exploit code.
Other vulnerabilities in yubiserver
Sources
Also known as DEBIAN-CVE-2015-0842, GHSA-94p4-xmcw-jjpr.