CVE-2020-14396
mediumPriorität · verfolgen · 31EPSS 0.026 · 85. PerzentilDEEURUUSEPSS · bewertet 2026-10-27
An issue was discovered in LibVNCServer before 0.9.13. libvncclient/tls_openssl.c has a NULL pointer dereference.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- BehobenSIMATIC ITC1500 V3siemens_psirt
Update to V3.2.1.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109804128/ - BehobenSIMATIC ITC1500 V3 PROsiemens_psirt
Update to V3.2.1.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109804128/ - BehobenSIMATIC ITC1900 V3siemens_psirt
Update to V3.2.1.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109804128/ - BehobenSIMATIC ITC1900 V3 PROsiemens_psirt
Update to V3.2.1.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109804128/ - BehobenSIMATIC ITC2200 V3siemens_psirt
Update to V3.2.1.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109804128/ - BehobenSIMATIC ITC2200 V3 PROsiemens_psirt
Update to V3.2.1.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109804128/ - BehobenSIMATIC ITC1500 V3cisa_csaf_ot
Update to V3.2.1.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109804128/ - BehobenSIMATIC ITC1500 V3 PROcisa_csaf_ot
Update to V3.2.1.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109804128/ - BehobenSIMATIC ITC1900 V3cisa_csaf_ot
Update to V3.2.1.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109804128/ - BehobenSIMATIC ITC1900 V3 PROcisa_csaf_ot
Update to V3.2.1.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109804128/ - BehobenSIMATIC ITC2200 V3cisa_csaf_ot
Update to V3.2.1.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109804128/ - BehobenSIMATIC ITC2200 V3 PROcisa_csaf_ot
Update to V3.2.1.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109804128/ - MitigationSIMATIC ITC1500 V3siemens_psirt
Monitor and restrict access to port 5900/tcp to trusted IP addresses only
- MitigationSIMATIC ITC1500 V3 PROsiemens_psirt
Monitor and restrict access to port 5900/tcp to trusted IP addresses only
- MitigationSIMATIC ITC1900 V3siemens_psirt
Monitor and restrict access to port 5900/tcp to trusted IP addresses only
- MitigationSIMATIC ITC1900 V3 PROsiemens_psirt
Monitor and restrict access to port 5900/tcp to trusted IP addresses only
- MitigationSIMATIC ITC2200 V3siemens_psirt
Monitor and restrict access to port 5900/tcp to trusted IP addresses only
- MitigationSIMATIC ITC2200 V3 PROsiemens_psirt
Monitor and restrict access to port 5900/tcp to trusted IP addresses only
- MitigationSIMATIC ITC1500 V3cisa_csaf_ot
Monitor and restrict access to port 5900/tcp to trusted IP addresses only
- MitigationSIMATIC ITC1500 V3 PROcisa_csaf_ot
Monitor and restrict access to port 5900/tcp to trusted IP addresses only
- MitigationSIMATIC ITC1900 V3cisa_csaf_ot
Monitor and restrict access to port 5900/tcp to trusted IP addresses only
- MitigationSIMATIC ITC1900 V3 PROcisa_csaf_ot
Monitor and restrict access to port 5900/tcp to trusted IP addresses only
- MitigationSIMATIC ITC2200 V3cisa_csaf_ot
Monitor and restrict access to port 5900/tcp to trusted IP addresses only
- MitigationSIMATIC ITC2200 V3 PROcisa_csaf_ot
Monitor and restrict access to port 5900/tcp to trusted IP addresses only
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5–7.5
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (38)
Betroffene Produkte und Versionsbereiche.
Advisories (2)
Hersteller- und Ökosystem-Meldungen dazu.
- SSA-390195SSA-390195: LibVNC Vulnerabilities in SIMATIC ITC Products2021-12-14csaf · siemens_psirtDE
Multiple LibVNC vulnerabilities in the affected products listed below could allow remote code execution, information disclosure and Denial-of-Service attacks under certain conditions. Siemens has released updates for the affected products and recommends to update to the latest versions.
- ICSA-21-350-12Siemens SIMATIC ITC2021-12-14icsa · cisa_csaf_otUS
Multiple LibVNC vulnerabilities in the affected products listed below could allow remote code execution, information disclosure and Denial-of-Service attacks under certain conditions. Siemens has released updates for the affected products and recommends to update to the latest versions.
auch bekannt als (4)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (17)
Externe Belege — Patches, Meldungen, Analysen.
- http://www.nsfocus.net/vulndb/48869cnnvd
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdfcnnvd
- https://github.com/LibVNC/libvncserver/commit/33441d90a506d5f3ae9388f2752901227e430553cnnvd
- https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-14396cnnvd
- https://packetstormsecurity.com/files/158543/Ubuntu-Security-Notice-USN-4434-1.htmlcnnvd
- https://usn.ubuntu.com/4434-1/cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.2535/cnnvd
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