CVE-2019-10922 Auth bypass in SIMATIC PCS 7 V8.0 and earlier
Unauthenticated attackers can execute arbitrary code on SIMATIC PCS 7 and WinCC systems if encrypted communication is disabled.
- 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-2019-10922?
CVE-2019-10922 is a critical authentication bypass vulnerability in Siemens AG SIMATIC PCS 7 V8.0 and earlier, published on 14 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been identified in SIMATIC PCS 7 V8.0 and earlier (All versions), SIMATIC PCS 7 V8.1 and newer (All versions), SIMATIC WinCC V7.2 and earlier (All versions), SIMATIC WinCC V7.3 and newer (All versions). An attacker with network access to affected installations, which are configured without "Encrypted Communication", can execute arbitrary code. The security vulnerability could be exploited by an unauthenticated attacker with network access to the affected installation. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality, integrity, and availability of the device. At the time of advisory publication no public exploitation of this security vulnerability was known.
Weakness: CWE-306
Which versions are affected by CVE-2019-10922?
It affects 2 products.
Products include Siemens Simatic Pcs 7, Siemens Simatic Wincc.
How do I fix CVE-2019-10922?
No fix has been published for CVE-2019-10922 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-2019-10922 being exploited?
There is no known exploitation of CVE-2019-10922 in the wild and no public exploit code.
Other vulnerabilities in Siemens AG SIMATIC PCS 7 V8.0 and earlier
Sources
Also known as GHSA-6j2f-925p-c58v.