CVE-2021-25660

mediumPriorität · verfolgen · 30EPSS 0.010 · 62. PerzentilDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.97% (62nd) EPSS

CVSS 5 · medium

Is it mine?

72 products

Prüfe deine Angriffsfläche

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · siemens_psirt

EPSS · bewertet 2026-10-27

A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V15.1 Update 6), SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V16 Update 4), SIMATIC WinCC Runtime Advanced V15 (All versions < V15.1 Update 6), SIMATIC WinCC Runtime Advanced V16 (All versions < V16 Update 4). SmartVNC has an out-of-bounds memory access vulnerability that could be triggered on the server side when sending data from the client, which could result in a Denial-of-Service condition.

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

BehobenSIMATIC HMI Comfort Outdoor Panels V15 7" & 15" (incl. SIPLUS variants)siemens_psirt
Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6
https://support.industry.siemens.com/cs/ww/en/view/109763890/
BehobenSIMATIC HMI Comfort Outdoor Panels V16 7" & 15" (incl. SIPLUS variants)siemens_psirt
Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109775861/
BehobenSIMATIC HMI Comfort Panels V15 4" - 22" (incl. SIPLUS variants)siemens_psirt
Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6
https://support.industry.siemens.com/cs/ww/en/view/109763890/
BehobenSIMATIC HMI Comfort Panels V16 4" - 22" (incl. SIPLUS variants)siemens_psirt
Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109775861/
BehobenSIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900Fsiemens_psirt
Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6
https://support.industry.siemens.com/cs/ww/en/view/109763890/
BehobenSIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900Fsiemens_psirt
Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109775861/
BehobenSIMATIC WinCC Runtime Advanced V15siemens_psirt
Update to V15.1 Update 6
https://support.industry.siemens.com/cs/ww/en/view/109763890/
BehobenSIMATIC WinCC Runtime Advanced V16siemens_psirt
Update to V16 Update 4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109776018/
BehobenSIMATIC HMI Comfort Outdoor Panels V15 7" & 15" (incl. SIPLUS variants)cisa_csaf_ot
Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6
https://support.industry.siemens.com/cs/ww/en/view/109763890/
BehobenSIMATIC HMI Comfort Outdoor Panels V16 7" & 15" (incl. SIPLUS variants)cisa_csaf_ot
Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109775861/
BehobenSIMATIC HMI Comfort Panels V15 4" - 22" (incl. SIPLUS variants)cisa_csaf_ot
Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6
https://support.industry.siemens.com/cs/ww/en/view/109763890/
BehobenSIMATIC HMI Comfort Panels V16 4" - 22" (incl. SIPLUS variants)cisa_csaf_ot
Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109775861/
BehobenSIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900Fcisa_csaf_ot
Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6
https://support.industry.siemens.com/cs/ww/en/view/109763890/
BehobenSIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900Fcisa_csaf_ot
Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109775861/
BehobenSIMATIC WinCC Runtime Advanced V15cisa_csaf_ot
Update to V15.1 Update 6
https://support.industry.siemens.com/cs/ww/en/view/109763890/
BehobenSIMATIC WinCC Runtime Advanced V16cisa_csaf_ot
Update to V16 Update 4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109776018/
MitigationSIMATIC HMI Comfort Outdoor Panels V15 7" & 15" (incl. SIPLUS variants)siemens_psirt
Restrict access to port 5900/tcp to trusted IP addresses only
MitigationSIMATIC HMI Comfort Outdoor Panels V16 7" & 15" (incl. SIPLUS variants)siemens_psirt
Restrict access to port 5900/tcp to trusted IP addresses only
MitigationSIMATIC HMI Comfort Panels V15 4" - 22" (incl. SIPLUS variants)siemens_psirt
Restrict access to port 5900/tcp to trusted IP addresses only
MitigationSIMATIC HMI Comfort Panels V16 4" - 22" (incl. SIPLUS variants)siemens_psirt
Restrict access to port 5900/tcp to trusted IP addresses only
MitigationSIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900Fsiemens_psirt
Restrict access to port 5900/tcp to trusted IP addresses only
MitigationSIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900Fsiemens_psirt
Restrict access to port 5900/tcp to trusted IP addresses only
MitigationSIMATIC WinCC Runtime Advanced V15siemens_psirt
Restrict access to port 5900/tcp to trusted IP addresses only
MitigationSIMATIC WinCC Runtime Advanced V16siemens_psirt
Restrict access to port 5900/tcp to trusted IP addresses only
MitigationSIMATIC HMI Comfort Outdoor Panels V15 7" & 15" (incl. SIPLUS variants)cisa_csaf_ot
Restrict access to port 5900/tcp to trusted IP addresses only
MitigationSIMATIC HMI Comfort Outdoor Panels V16 7" & 15" (incl. SIPLUS variants)cisa_csaf_ot
Restrict access to port 5900/tcp to trusted IP addresses only
MitigationSIMATIC HMI Comfort Panels V15 4" - 22" (incl. SIPLUS variants)cisa_csaf_ot
Restrict access to port 5900/tcp to trusted IP addresses only
MitigationSIMATIC HMI Comfort Panels V16 4" - 22" (incl. SIPLUS variants)cisa_csaf_ot
Restrict access to port 5900/tcp to trusted IP addresses only
MitigationSIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900Fcisa_csaf_ot
Restrict access to port 5900/tcp to trusted IP addresses only
MitigationSIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900Fcisa_csaf_ot
Restrict access to port 5900/tcp to trusted IP addresses only
MitigationSIMATIC WinCC Runtime Advanced V15cisa_csaf_ot
Restrict access to port 5900/tcp to trusted IP addresses only
MitigationSIMATIC WinCC Runtime Advanced V16cisa_csaf_ot
Restrict access to port 5900/tcp to trusted IP addresses only

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

7.5

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 3.6

v3.15.4mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:H/E:P/RL:O/RC:Csecondary · CISA US

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HsecondaryAusnutzbarkeit 3.9 · Auswirkung 3.6

v3.15.4mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-119USCWE-788USCWE-788USCWE-788US

betroffene Produkte (72)

Betroffene Produkte und Versionsbereiche.

SIMATIC HMI Comfort Outdoor Panels V15 7" & 15" (incl. SIPLUS variants)alle Versionencisa_csaf_otUS
SIMATIC HMI Comfort Outdoor Panels V16 7" & 15" (incl. SIPLUS variants)alle Versionencisa_csaf_otUS
SIMATIC HMI Comfort Panels V15 4" - 22" (incl. SIPLUS variants)alle Versionencisa_csaf_otUS
SIMATIC HMI Comfort Panels V16 4" - 22" (incl. SIPLUS variants)alle Versionencisa_csaf_otUS
SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900Falle Versionencisa_csaf_otUS
SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900Falle Versionencisa_csaf_otUS
SIMATIC WinCC Runtime Advanced V15alle Versionencisa_csaf_otUS
SIMATIC WinCC Runtime Advanced V16alle Versionencisa_csaf_otUS
Siemens SIMATIC HMI Comfort Outdoor Panels V15 7" & 15" (incl. SIPLUS variants)< V15.1_Update_6cisa_csaf_otUS
Siemens SIMATIC HMI Comfort Outdoor Panels V16 7" & 15" (incl. SIPLUS variants)< V16_Update_4cisa_csaf_otUS
Siemens SIMATIC HMI Comfort Panels V15 4" - 22" (incl. SIPLUS variants)< V15.1_Update_6cisa_csaf_otUS
Siemens SIMATIC HMI Comfort Panels V16 4" - 22" (incl. SIPLUS variants)< V16_Update_4cisa_csaf_otUS
Siemens SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F< V15.1_Update_6cisa_csaf_otUS
Siemens SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F< V16_Update_4cisa_csaf_otUS
Siemens SIMATIC WinCC Runtime Advanced V15< V15.1_Update_6cisa_csaf_otUS
Siemens SIMATIC WinCC Runtime Advanced V16< V16_Update_4cisa_csaf_otUS
Siemens SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants)All versions → V15.1 Update 6enisa_euvdEU
Siemens SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants)All versions → V16 Update 4enisa_euvdEU
Siemens SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)All versions → V15.1 Update 6enisa_euvdEU
Siemens SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)All versions → V16 Update 4enisa_euvdEU

20 von 72 angezeigt

Advisories (2)

Hersteller- und Ökosystem-Meldungen dazu.

SSA-538778SSA-538778: SmartVNC Vulnerabilities in SIMATIC HMI/WinCC Products2021-05-11csaf · siemens_psirtDE
Multiple SmartVNC vulnerabilities in the affected products listed below could allow remote code execution and Denial-of-Service attacks under certain conditions. Siemens has released updates for the affected products and recommends to update to the latest version.
ICSA-21-131-12Siemens SIMATIC SmartVNC HMI WinCC Products (Update B)2021-05-11icsa · cisa_csaf_otUS
Multiple SmartVNC vulnerabilities in the affected products listed below could allow remote code execution and Denial-of-Service attacks under certain conditions. Siemens has released updates for the affected products and recommends to update to the latest version.

auch bekannt als (3)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd cisa_csaf_ot siemens_psirt NVD CVE.org MITRE

veröffentlicht 2021-05-12geändert 2026-06-17

Referenzen (7)

Externe Belege — Patches, Meldungen, Analysen.

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