CVE-2024-12056 Client Secret not checked with OAuth Password grant type
Attackers with valid credentials can connect using unauthorized client applications due to missing client secret validation in OAuth password grant.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-12056?
CVE-2024-12056 is a low-severity authentication bypass vulnerability in arcinfo PcVue, published on 4 Dec 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Client secret is not checked when using the OAuth Password grant type.
By exploiting this vulnerability, an attacker could connect to a web server using a client application not explicitly authorized as part of the OAuth deployment. Exploitation requires valid credentials and does not permit the attacker to bypass user privileges.
Weakness: CWE-358
Which versions are affected by CVE-2024-12056?
How do I fix CVE-2024-12056?
No fix has been published for CVE-2024-12056 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-2024-12056 being exploited?
There is no known exploitation of CVE-2024-12056 in the wild and no public exploit code.
Sources
Also known as GHSA-mc9v-rq2q-h4r4.