CVE-2019-10922
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).
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.64%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.64% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-306
- Affected
- siemens/simatic pcs 7 · siemens/simatic wincc
- Source
- productcert@siemens.com
References
- http://www.securityfocus.com/bid/108398Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-705517.pdfMitigation, Vendor Advisory
- http://www.securityfocus.com/bid/108398Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-705517.pdfMitigation, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.