CVE-2019-10922

highpriority · track · 40OT risk · elevatedEPSS 0.026 · 85 %ileEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
2.64% (85th) EPSS
CVSS 7.5 · high
Is it mine?
19 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

  • MitigationSIMATIC PCS 7 V8.0 and earliercisa_csaf_ot

    Apply recommendations from Section Workarounds and Mitigations, or upgrade to a newer version and enable "Encrypted Communication"

  • MitigationSIMATIC PCS 7 V8.1 and newercisa_csaf_ot

    Enable "Encrypted Communication"

  • MitigationSIMATIC WinCC V7.2 and earliercisa_csaf_ot

    Apply recommendations from Section Workarounds and Mitigations, or upgrade to a newer version and enable "Encrypted Communication"

  • MitigationSIMATIC WinCC V7.3 and newercisa_csaf_ot

    Enable "Encrypted Communication". Starting with WinCC V7.5 "Encrypted Communication" is enabled by default

02

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9
v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · CISA US
v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USCWE-306USCWE-306US
04

affected products (19)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-19-134-02ICSA-19-134-02 Siemens SIMATIC WinCC and SIMATIC PCS 72019-05-14icsa · cisa_csaf_otUS

    CISA recommends users take defensive measures to minimize the exploitation risk of this vulnerability.

06

also known as (4)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducisa_csaf_otnvdNVDCVE.orgMITRE
published 2019-05-14modified 2026-06-17
08

references (12)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan