First published: Tue Dec 13 2022(Updated: )
Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.
Credit: productcert@siemens.com
Affected Software | Affected Version | How to fix |
---|---|---|
Siemens SIMATIC S7 PLCSIM Advanced Firmware | <5.0 | |
Siemens SIMATIC S7-PLCSIM Advanced Firmware | ||
Siemens S7-1200 CPU 1211C Firmware | <4.6.0 | |
Siemens Simatic S7-1200 CPU 1211C Firmware | ||
Siemens S7-1200 CPU 1212C Firmware | <4.6.0 | |
Siemens SIMATIC S7-1200 CPU 1212C Firmware | ||
Siemens S7-1200 CPU 1212FC Firmware | <4.6.0 | |
Siemens S7-1200 CPU 1212FC | ||
Siemens SIMATIC S7-1200 CPU 1214C Firmware | <4.6.0 | |
Siemens SIMATIC S7-1200 CPU 1214FC DC/DC/Rly | ||
Siemens S7-1200 CPU 1214C Firmware | <4.6.0 | |
Siemens SIMATIC S7-1200 CPU | ||
Siemens S7-1200 CPU 1214FC Firmware | <4.6.0 | |
Siemens SIMATIC S7-1200 CPU 1214FC Firmware | ||
Siemens Simatic S7-1200 CPU Firmware | <4.6.0 | |
Siemens SIMATIC S7-1200 CPU 1215FC DC/DC/DC | ||
Siemens SIMATIC S7-1200 CPU 1215C DC/DC/DC | <4.6.0 | |
Siemens CPU 1215C | ||
Siemens Simatic S7-1200 CPU Firmware | <4.6.0 | |
Siemens SIMATIC S7-1200 CPU 1215FC DC/DC/DC | ||
Siemens S7-1200 CPU 1217C Firmware | <4.6.0 | |
Siemens S7-1200 CPU 1217C | ||
Siemens Simatic S7-1200 CPU 1211C Firmware | <4.6.0 | |
Siemens SIMATIC S7-1200 CPU 1211C | ||
Siemens SIMATIC S7-1200 CPU 1212C Firmware | <4.6.0 | |
Siemens SIMATIC S7-1200 CPU 1212C | ||
Siemens SIMATIC S7-1200 CPU 1212FC Firmware | <4.6.0 | |
Siemens SIMATIC S7-1200 CPU 1212FC | ||
Siemens SIMATIC S7-1200 CPU 1214C Firmware | <4.6.0 | |
Siemens SIMATIC S7-1200 CPU 1214C Firmware | ||
Siemens SIMATIC S7-1200 CPU 1214FC Firmware | <4.6.0 | |
Siemens SIMATIC S7-1200 CPU 1214FC | ||
Siemens SIMATIC S7-1200 CPU 1215C Firmware | <4.6.0 | |
Siemens SIMATIC S7-1200 CPU 1215C Firmware | ||
Siemens SIMATIC S7-1200 CPU 1215FC Firmware | <4.6.0 | |
Siemens SIMATIC S7-1200 CPU 1215FC Firmware | ||
Siemens SIMATIC S7-1200 CPU 1217C Firmware | <4.6.0 | |
Siemens SIMATIC S7-1200 CPU 1217C | ||
Siemens SIPLUS S7-1200 CP 1243-1 | <4.6.0 | |
Siemens SIPLUS S7-1200 CP 1243-1 | ||
Siemens SIPLUS S7-1200 | <4.6.0 | |
Siemens SIPLUS S7-1200 | ||
Siemens Simatic S7-1500 CPU 1507S F Firmware | <3.0.1 | |
Siemens Simatic S7-1500 | ||
Siemens S7-1500 Firmware | <3.0.1 | |
Siemens Simatic S7-1500 CPU 1507S F Firmware | ||
Siemens SIMATIC S7-1500 Firmware | <3.0.1 | |
Siemens Simatic S7-1500 | ||
Siemens Simatic S7-1500 CPU 1508S F | <3.0.1 | |
Siemens S7-1500 CPU | ||
Siemens SIMATIC S7-1500 CPU 1510SP Firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1510SP F-1 | ||
Siemens SIMATIC S7-1500 CPU 1510SP Firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1510SP Firmware | ||
Siemens SIMATIC S7-1500 CPU 1511-1 | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1511-1 PN | ||
Siemens SIMATIC S7-1500 CPU 1511-1 PN | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1511-1 | ||
Siemens SIMATIC S7-1500 CPU 1511C-1 Firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1511C-1 PN | ||
Siemens SIMATIC S7-1500 CPU 1511C-1 | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1511C-1 PN | ||
Siemens SIMATIC S7-1500 CPU 1511f-1 PN | <3.0.1 | |
Siemens SIMATIC S7-1511F-1 PN CPU | ||
Siemens SIMATIC S7-1500 CPU 1511F-1 Firmware | <3.0.1 | |
Siemens SIMATIC S7-1511F-1 PN CPU | ||
Siemens SIMATIC S7-1500 CPU 1511T-1 Firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1511T-1 PN | ||
Siemens SIMATIC S7-1500 CPU 1511TF-1 | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1511TF-1 PN | ||
Siemens SIMATIC S7-1500 CPU 1512C Firmware | <3.0.1 | |
Siemens Simatic S7-1500 | ||
Siemens SIMATIC S7-1500 CPU 1512C-1 PN Firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1512C-1 PN | ||
Siemens SIMATIC S7-1500 CPU 1512SP-1 | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1512SP-1 PN | ||
Siemens SIMATIC S7-1500 CPU 1512SPF-1 | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1512SPF-1 Firmware | ||
Siemens SIMATIC S7-1513-1 PN CPU | <3.0.1 | |
Siemens SIMATIC S7-1513-1 PN CPU | ||
Siemens SIMATIC S7-1500 CPU 1513-1 PN firmware | <3.0.1 | |
siemens SIMATIC S7-1500 CPU 1513-1 PN firmware | ||
Siemens SIMATIC S7-1500 CPU 1513F-1 | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1513f-1 PN | ||
Siemens SIMATIC S7-1500 CPU 1513f-1 PN | <3.0.1 | |
Siemens SIMATIC S7-1513F-1 PN CPU | ||
Siemens SIMATIC S7-1500 CPU 1513R-1 PN Firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1513R-1 Firmware | ||
Siemens S7-1500 Firmware | <3.0.1 | |
Siemens SIMATIC S7-1515-2 PN CPU | ||
Siemens Simatic S7-1500 CPU 1515-2 Firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1515-2 | ||
Siemens SIMATIC S7-1500 CPU 151511C-1 | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 151511C-1 | ||
Siemens SIMATIC S7-1500 CPU 151511F-1 | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1511F-1 Firmware | ||
Siemens SIMATIC S7-1500 CPU 1515f-2 PN firmware | <3.0.1 | |
Siemens S7-1500 CPU | ||
Siemens SIMATIC S7-1515F-2 PN CPU | <3.0.1 | |
Siemens SIMATIC S7-1515F-2 PN CPU | ||
Siemens Simatic S7-1500 CPU 1515R-2 Firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1515R-2 PN | ||
Siemens Simatic S7-1500 CPU 1515T-2 Firmware | <3.0.1 | |
Siemens Simatic S7-1500 CPU 1515T-2 PN | ||
Siemens SIMATIC S7-1500 CPU 1515TF-2 | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1515TF-2 PN | ||
Siemens SIMATIC S7-1500 CPU 1516-3 | <3.0.1 | |
Siemens SIMATIC S7-1500 | ||
Siemens SIMATIC S7-1500 CPU 1516-3 DP Firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1516-3 DP Firmware | ||
Siemens SIMATIC S7-1516-3 PN/DP CPU | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1516-3 | ||
Siemens SIMATIC S7-1500 CPU 1516-3 PN/DP Firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1516-3 PN/DP | ||
Siemens SIMATIC S7-1516F-3 PN/DP CPU | <3.0.1 | |
Siemens SIMATIC S7-1516F-3 PN/DP CPU | ||
Siemens SIMATIC S7-1500 CPU 1516F-3 PN/DP Firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1516f-3 PN/DP | ||
Siemens SIMATIC S7-1500 CPU 1516PRO-2 Firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1516pro-2 PN | ||
Siemens SIMATIC S7-1500 CPU 1516PRO F Firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1516PRO F-2 PN | ||
Siemens Simatic S7-1500 CPU 1516T-3 | <3.0.1 | |
Siemens Simatic S7-1500 | ||
Siemens SIMATIC S7-1500 CPU 1516TF-3 Firmware | <3.0.1 | |
Siemens Simatic S7-1500 | ||
Siemens SIMATIC S7-1500 CPU 1517-3 PN Firmware | <3.0.1 | |
Siemens SIMATIC S7-1517-3 PN/DP CPU | ||
Siemens SIMATIC S7-1500 CPU 1517-3 DP | <3.0.1 | |
Siemens SIMATIC S7-1517-3 PN/DP CPU | ||
Siemens SIMATIC S7-1500 CPU 1517-3 PN | <3.0.1 | |
Siemens SIMATIC S7-1517-3 PN/DP CPU | ||
siemens SIMATIC S7-1500 CPU 1517-3 pn/dp firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1517-3 PN/DP | ||
Siemens SIMATIC S7-1500 CPU 1517F-3 | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1517F-3 Firmware | ||
siemens SIMATIC S7-1500 CPU 1517f-3 pn/dp firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1517f-3 PN/DP | ||
Siemens SIMATIC S7-1500 T Firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1517TF-3 Firmware | ||
Siemens SIMATIC S7-1500 CPU 1518F-4 | <3.0.1 | |
Siemens S7-1500 | ||
Siemens SIMATIC S7-1518-4 PN/DP CPU | <3.0.1 | |
Siemens SIMATIC S7-1500 | ||
Siemens Simatic S7-1500 CPU 1518-4 DP | <3.0.1 | |
Siemens Simatic S7-1500 | ||
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP Firmware | <3.0.1 | |
Siemens SIMATIC CPU 1518-4 | ||
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP Firmware | <3.0.1 | |
Siemens Simatic S7-1500 CPU 1518-4 PN/DP MFP | ||
Siemens Simatic S7-1500 CPU 1518-4 PN/DP MFP | <3.0.1 | |
Siemens Simatic S7-1500 CPU 1518-4 PN/DP MFP | ||
Siemens SIMATIC S7-1500 CPU 1518F-4 | <3.0.1 | |
Siemens SIMATIC S7-1518F-4 PN/DP CPU | ||
Siemens SIMATIC S7-1500 CPU 1518f-4 pn/dp firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP | ||
Siemens SIMATIC S7-1500 CPU 1518-4 Firmware | <3.0.1 | |
Siemens Simatic S7-1500 | ||
Siemens Simatic S7-1500 CPU 1518T-4 PN/DP Firmware | <3.0.1 | |
Siemens Simatic S7-1500 | ||
Siemens SIMATIC S7-1500 CPU 1518T-4 Firmware | <3.0.1 | |
Siemens Simatic S7-1500 | ||
Siemens SIMATIC S7-1500 CPU 15PROF-2 Firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 15PRO-2 Firmware | ||
Siemens Simatic S7-1500 CPU 15PROF-2 | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 15PROF-2 Firmware | ||
Siemens Simatic S7-1500 CPU 1513Pro-2 | <3.0.1 | |
Siemens Simatic S7-1500 CPU 1513Pro-2 | ||
Siemens SIMATIC S7-1500 CPU 1513PROF-2 Firmware | <3.0.1 | |
Siemens SIMATIC S7-1500 CPU 1513PROF-2 Firmware | ||
Siemens SIPLUS ET 200SP | <3.0.1 | |
Siemens SIMATIC NET CP 1542SP-1 IRC | ||
Siemens SIMATIC CP 1543SP-1 | <3.0.1 | |
Siemens SIMATIC CP 1543SP-1 | ||
Siemens SIPLUS ET 200SP | <3.0.1 | |
Siemens SIPLUS ET 200SP | ||
Siemens Simatic ET200SP 1515SP PC2 Firmware | ||
Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC | ||
Siemens S7-1500 Modular Controllers | ||
Siemens S7-1500 Controller | ||
siemens SIPLUS S7-300 CPU 314 | ||
siemens SIPLUS S7-300 CPU 314 | ||
siemens SIPLUS S7-300 CPU 315-2 pn/dp firmware | ||
Siemens S7-300 CPU 315-2 DP | ||
siemens SIPLUS S7-300 CPU 315-2 pn/dp firmware | ||
siemens SIPLUS S7-300 CPU 315-2 pn/dp | ||
siemens SIPLUS S7-300 CPU 317-2 pn/dp firmware | ||
siemens SIPLUS S7-300 CPU 317-2 pn/dp | =v6 | |
Siemens Simatic TIM 1531 IRC Firmware | ||
Siemens Simatic TIM 1531 IRC Firmware | ||
Siemens Simatic TIM 1531 IRC Firmware | ||
Siemens TIM 1531 IRC Firmware |
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
CVE-2021-44693 is classified as a denial of service vulnerability affecting specific Siemens devices.
To mitigate CVE-2021-44693, it is recommended to update the affected devices to the latest firmware version provided by Siemens.
CVE-2021-44693 affects various Siemens devices including SIMATIC S7-1200 CPUs and SIMATIC S7-1500 CPUs with specific firmware versions.
CVE-2021-44693 allows attackers to cause a denial of service by sending specially crafted packets to port 102/tcp.
As of the latest updates, the best workaround for CVE-2021-44693 is to ensure that network access is restricted and devices are updated to secure firmware.