CVE-2024-30321
mediumpriority · track · 0EPSS 0.005 · 44 %ileDEEUNLRUUSEPSS · scored 2026-10-27
A vulnerability has been identified in SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC WinCC Runtime Professional V18 (All versions < V18 Update 5), SIMATIC WinCC Runtime Professional V19 (All versions < V19 Update 2), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 23), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 17), SIMATIC WinCC V8.0 (All versions < V8.0 Update 5). The affected products do not properly handle certain requests to their web application, which may lead to the leak of privileged information. This could allow an unauthenticated remote attacker to retrieve information such as users and passwords.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedSIMATIC PCS 7 V9.1siemens_psirt
Update to V9.1 SP2 UC05 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812242/ - FixedSIMATIC WinCC Runtime Professional V18siemens_psirt
Update to V18 Update 5 or later version
- FixedSIMATIC WinCC Runtime Professional V19siemens_psirt
Update to V19 Update 2 or later version
- FixedSIMATIC WinCC V7.4siemens_psirt
Update to V7.4 SP1 Update 23 or later version
https://support.industry.siemens.com/cs/ww/en/view/109955792/ - FixedSIMATIC WinCC V7.5siemens_psirt
Update to V7.5 SP2 Update 17 or later version
https://support.industry.siemens.com/cs/ww/en/view/109793460/ - FixedSIMATIC WinCC V8.0siemens_psirt
Update to V8.0 Update 5 or later version
- FixedSIMATIC PCS 7 V9.1cisa_csaf_ot
Update to V9.1 SP2 UC05 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812242/ - FixedSIMATIC WinCC Runtime Professional V18cisa_csaf_ot
Update to V18 Update 5 or later version
- FixedSIMATIC WinCC Runtime Professional V19cisa_csaf_ot
Update to V19 Update 2 or later version
- FixedSIMATIC WinCC V7.4cisa_csaf_ot
Update to V7.4 SP1 Update 23 or later version
https://support.industry.siemens.com/cs/ww/en/view/109955792/ - FixedSIMATIC WinCC V7.5cisa_csaf_ot
Update to V7.5 SP2 Update 17 or later version
https://support.industry.siemens.com/cs/ww/en/view/109793460/ - FixedSIMATIC WinCC V8.0cisa_csaf_ot
Update to V8.0 Update 5 or later version
- WorkaroundSIMATIC PCS 7 V9.1siemens_psirt
Restrict access to application webserver for trusted users only
- WorkaroundSIMATIC WinCC Runtime Professional V18siemens_psirt
Restrict access to application webserver for trusted users only
- WorkaroundSIMATIC WinCC Runtime Professional V19siemens_psirt
Restrict access to application webserver for trusted users only
- WorkaroundSIMATIC WinCC V7.4siemens_psirt
Restrict access to application webserver for trusted users only
- WorkaroundSIMATIC WinCC V7.5siemens_psirt
Restrict access to application webserver for trusted users only
- WorkaroundSIMATIC WinCC V8.0siemens_psirt
Restrict access to application webserver for trusted users only
- WorkaroundSIMATIC PCS 7 V9.1cisa_csaf_ot
Restrict access to application webserver for trusted users only
- WorkaroundSIMATIC WinCC Runtime Professional V18cisa_csaf_ot
Restrict access to application webserver for trusted users only
- WorkaroundSIMATIC WinCC Runtime Professional V19cisa_csaf_ot
Restrict access to application webserver for trusted users only
- WorkaroundSIMATIC WinCC V7.4cisa_csaf_ot
Restrict access to application webserver for trusted users only
- WorkaroundSIMATIC WinCC V7.5cisa_csaf_ot
Restrict access to application webserver for trusted users only
- WorkaroundSIMATIC WinCC V8.0cisa_csaf_ot
Restrict access to application webserver for trusted users only
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.6–8.2
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (30)
Products and version ranges known to be affected.
advisories (4)
Vendor and ecosystem advisories describing this.
- NCSC-2024-0282Kwetsbaarheden verholpen in Siemens ProductenNL2024-07-09csaf · ncsc_nlNL
Siemens heeft kwetsbaarheden verholpen in diverse producten als Mendix, RUGGEDOM, SIMATIC, SINEMA, SIPROTEC en de Engineering Platforms voor diverse systemen.
- SSA-883918SSA-883918: Information Disclosure Vulnerability in SIMATIC WinCC2024-07-09csaf · siemens_psirtDE
Multiple versions of SIMATIC WinCC and SIMATIC PCS 7 do not properly handle certain requests to their web application (WinCC WebNavigator, PCS 7 Web Server, and PCS 7 Web Diagnostics Server), which may lead to the leak of privileged information. This could allow an unauthenticated remote attacker to retrieve information such as users and passwords. Siemens has released new versions for the affected products and recommends to update to the latest versions.
- WID-SEC-W-2024-1576Siemens SIMATIC WinCC: Schwachstelle ermöglicht Offenlegung von InformationenDeutsch2024-07-09csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Siemens SIMATIC WinCC ausnutzen, um Informationen offenzulegen.
- ICSA-24-193-16Siemens SIMATIC WinCC2024-07-09icsa · cisa_csaf_otUS
Multiple versions of SIMATIC WinCC and SIMATIC PCS 7 do not properly handle certain requests to their web application (WinCC WebNavigator, PCS 7 Web Server, and PCS 7 Web Diagnostics Server), which may lead to the leak of privileged information. This could allow an unauthenticated remote attacker to retrieve information such as users and passwords. Siemens has released new versions for the affected products and recommends to update to the latest versions.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://cert-portal.siemens.com/productcert/html/ssa-883918.htmlcnnvd
- https://cxsecurity.com/cveshow/CVE-2024-30321/cnnvd
- https://vigilance.fr/vulnerability/Siemens-SIMATIC-WinCC-password-leak-dated-09-07-2024-44684cnnvd
- https://cert-portal.siemens.com/productcert/html/ssa-883918.htmlenisa_euvd
- https://cert-portal.siemens.com/productcert/html/ssa-883918.htmlnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan