CVE-2015-2951 Auth bypass in n/a

Medium 5.0 Published Updated

Remote attackers can bypass JWT signature verification using crafted tokens, potentially gaining unauthorized access to protected resources.

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-2015-2951?

CVE-2015-2951 is a medium-severity authentication bypass vulnerability in n/a, published on 5 Jun 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

JWT.php in F21 JWT before 2.0 allows remote attackers to bypass signature verification via crafted tokens.

Weakness: CWE-20

Which versions are affected by CVE-2015-2951?

It affects 1 product.

Products include F21 Jwt.

How do I fix CVE-2015-2951?

No fix has been published for CVE-2015-2951 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-2015-2951 being exploited?

There is no known exploitation of CVE-2015-2951 in the wild and no public exploit code.

Sources

Also known as GHSA-xx3c-6h6w-w5rg.

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