CVE-2021-31891
highPriorität · verfolgen · 41EPSS 0.038 · 90. PerzentilDEEUUSEPSS · bewertet 2026-10-27
A vulnerability has been identified in Desigo CC (All versions with OIS Extension Module), GMA-Manager (All versions with OIS running on Debian 9 or earlier), Operation Scheduler (All versions with OIS running on Debian 9 or earlier), Siveillance Control (All versions with OIS running on Debian 9 or earlier), Siveillance Control Pro (All versions). The affected application incorrectly neutralizes special elements in a specific HTTP GET request which could lead to command injection. An unauthenticated remote attacker could exploit this vulnerability to execute arbitrary code on the system with root privileges.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- BehobenDesigo CCsiemens_psirt
Update the OIS to V2.5.3 or apply the patch
https://support.industry.siemens.com/cs/ww/en/view/109799908/ - BehobenGMA-Managersiemens_psirt
Update the OIS to V2.5.3 or apply the patch
https://support.industry.siemens.com/cs/ww/en/view/109799908/ - BehobenOperation Schedulersiemens_psirt
Update the OIS to V2.5.3 or apply the patch
https://support.industry.siemens.com/cs/ww/en/view/109799908/ - BehobenSiveillance Controlsiemens_psirt
Update the OIS to V2.5.3 or V2.6.1, or apply the patch
https://support.industry.siemens.com/cs/ww/en/view/109799908/ - BehobenSiveillance Control Prosiemens_psirt
Update the OIS to V2.5.3 or V2.6.0, or apply the patch
https://support.industry.siemens.com/cs/ww/en/view/109799908/ - BehobenDesigo CCcisa_csaf_ot
Update the OIS to V2.5.3 or apply the patch
https://support.industry.siemens.com/cs/ww/en/view/109799908/ - BehobenGMA-Managercisa_csaf_ot
Update the OIS to V2.5.3 or apply the patch
https://support.industry.siemens.com/cs/ww/en/view/109799908/ - BehobenOperation Schedulercisa_csaf_ot
Update the OIS to V2.5.3 or apply the patch
https://support.industry.siemens.com/cs/ww/en/view/109799908/ - BehobenSiveillance Controlcisa_csaf_ot
Update the OIS to V2.5.3 or V2.6.1, or apply the patch
https://support.industry.siemens.com/cs/ww/en/view/109799908/ - BehobenSiveillance Control Procisa_csaf_ot
Update the OIS to V2.5.3 or V2.6.0, or apply the patch
https://support.industry.siemens.com/cs/ww/en/view/109799908/ - MitigationDesigo CCsiemens_psirt
Ensure that the systems where Siveillance OIS is installed are only accessible by trusted personnel
- MitigationGMA-Managersiemens_psirt
Ensure that the systems where Siveillance OIS is installed are only accessible by trusted personnel
- MitigationOperation Schedulersiemens_psirt
Ensure that the systems where Siveillance OIS is installed are only accessible by trusted personnel
- MitigationSiveillance Controlsiemens_psirt
Ensure that the systems where Siveillance OIS is installed are only accessible by trusted personnel
- MitigationSiveillance Control Prosiemens_psirt
Ensure that the systems where Siveillance OIS is installed are only accessible by trusted personnel
- MitigationDesigo CCcisa_csaf_ot
Ensure that the systems where Siveillance OIS is installed are only accessible by trusted personnel
- MitigationGMA-Managercisa_csaf_ot
Ensure that the systems where Siveillance OIS is installed are only accessible by trusted personnel
- MitigationOperation Schedulercisa_csaf_ot
Ensure that the systems where Siveillance OIS is installed are only accessible by trusted personnel
- MitigationSiveillance Controlcisa_csaf_ot
Ensure that the systems where Siveillance OIS is installed are only accessible by trusted personnel
- MitigationSiveillance Control Procisa_csaf_ot
Ensure that the systems where Siveillance OIS is installed are only accessible by trusted personnel
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · high–critical · 9.1–10
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (25)
Betroffene Produkte und Versionsbereiche.
- siemens siveillance control proalle VersionennvdUScpe:2.3:a:siemens:siveillance_control_pro:*:*:*:*:*:*:*:*
Advisories (2)
Hersteller- und Ökosystem-Meldungen dazu.
- SSA-535380SSA-535380: Command Injection Vulnerability in Siveillance OIS Affecting Several Building Management Systems2021-09-14csaf · siemens_psirtDE
The Siveillance Open Interface Services (OIS) application used for integration of different subsystems to several Siemens building management systems contains a command injection vulnerability that could allow a remote unauthenticated attacker to execute code on the affected system with root privileges. Siemens has released patches and updates for Siveillance OIS to apply to the products that incorporate the OIS service, and recommends to update to the latest versions.
- ICSA-21-257-18Siemens Siveillance OIS2021-09-14icsa · cisa_csaf_otUS
The Siveillance Open Interface Services (OIS) application used for integration of different subsystems to several Siemens building management systems contains a command injection vulnerability that could allow a remote unauthenticated attacker to execute code on the affected system with root privileges. Siemens has released patches and updates for Siveillance OIS to apply to the products that incorporate the OIS service, and recommends to update to the latest versions.
auch bekannt als (3)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (6)
Externe Belege — Patches, Meldungen, Analysen.
- https://cert-portal.siemens.com/productcert/pdf/ssa-535380.pdfcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-31891cnnvd
- https://us-cert.cisa.gov/ics/advisories/icsa-21-257-18cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021091605cnnvd
- https://cert-portal.siemens.com/productcert/pdf/ssa-535380.pdfenisa_euvd
- https://cert-portal.siemens.com/productcert/pdf/ssa-535380.pdfPatchVendor Advisorynvd
Angreifer nutzen Schwachstellen wie diese gegen im Internet exponierte Dienste aus. Sehen Sie mit einem kostenlosen Passiv-Scan, was exponiert ist.
Kostenloser Scan