CVE-2023-0757 Phoenix Contact ProConOS prone to Incorrect Permission Assignment for Critical Resource
Unauthenticated remote attackers can upload malicious code to gain full access to PHOENIX CONTACT devices due to incorrect permission assignments.
- 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-2023-0757?
CVE-2023-0757 is a critical missing authorization vulnerability in PHOENIX CONTACT MULTIPROG, published on 14 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Incorrect Permission Assignment for Critical Resource vulnerability in PHOENIX CONTACT MULTIPROG, PHOENIX CONTACT ProConOS eCLR (SDK) allows an unauthenticated remote attacker to upload arbitrary malicious code and gain full access on the affected device.
Weakness: CWE-732
Which versions are affected by CVE-2023-0757?
It affects 2 products.
Products include Phoenixcontact Multiprog, Phoenixcontact Proconos Eclr.
How do I fix CVE-2023-0757?
No fix has been published for CVE-2023-0757 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-0757 being exploited?
There is no known exploitation of CVE-2023-0757 in the wild and no public exploit code.
Other vulnerabilities in PHOENIX CONTACT MULTIPROG
Sources
Also known as GHSA-j2r4-7r3h-j7m5.