CVE-2021-40364
First published: Tue Nov 09 2021(Updated: )
A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3 UC04), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP1), SIMATIC WinCC V15 and earlier (All versions < V15 SP1 Update 7), SIMATIC WinCC V16 (All versions < V16 Update 5), SIMATIC WinCC V17 (All versions < V17 Update 2), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 19), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 5). The affected systems store sensitive information in log files. An attacker with access to the log files could publicly expose the information or reuse it to develop further attacks on the system.
Credit: productcert@siemens.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Siemens Simatic PCS 7 Telecontrol Firmware | <=8.2 | |
| Siemens Simatic PCS 7 Telecontrol Firmware | >=9.0<9.1 | |
| Siemens Simatic PCS 7 Telecontrol Firmware | =9.1 | |
| Siemens WinCC | <=7.4 | |
| Siemens WinCC | =7.5 | |
| Siemens WinCC | =7.5-sp1 | |
| Siemens WinCC | =7.5-sp1_update1 | |
| Siemens WinCC | =7.5-sp1_update2 | |
| Siemens WinCC | =7.5-sp2 | |
| Siemens WinCC | =7.5-sp2_update1 | |
| Siemens WinCC | =7.5-sp2_update2 | |
| Siemens WinCC | =7.5-sp2_update3 | |
| Siemens WinCC | =7.5-sp2_update4 | |
| Siemens WinCC | =15 | |
| Siemens WinCC | =16 | |
| Siemens WinCC | =16-update1 | |
| Siemens WinCC | =16-update2 | |
| Siemens WinCC | =16-update3 | |
| Siemens WinCC | =16-update4 | |
| Siemens WinCC | =17 | |
| Siemens WinCC | =17-update1 |
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Frequently Asked Questions
What is the severity of CVE-2021-40364?
The severity of CVE-2021-40364 is medium with a severity score of 5.5.
Which versions of SIMATIC PCS 7 are affected by CVE-2021-40364?
SIMATIC PCS 7 V8.2, SIMATIC PCS 7 V9.0 (before V9.0 SP3 UC04), and SIMATIC PCS 7 V9.1 (before V9.1 SP1) are affected by CVE-2021-40364.
Which versions of SIMATIC WinCC are affected by CVE-2021-40364?
SIMATIC WinCC V15 and earlier (before V15 SP1 Update 7), SIMATIC WinCC V16 (before V16 Update 5), and SIMATIC WinCC V17 are affected by CVE-2021-40364.
What is the Common Weakness Enumeration (CWE) ID associated with CVE-2021-40364?
The Common Weakness Enumeration (CWE) ID associated with CVE-2021-40364 is CWE-532.
Where can I find more information about CVE-2021-40364?
You can find more information about CVE-2021-40364 [here](https://cert-portal.siemens.com/productcert/pdf/ssa-840188.pdf).
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/severity
- agent/weakness
- agent/last-modified-date
- agent/author
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/siemens
- canonical/siemens simatic pcs 7 telecontrol firmware
- version/siemens simatic pcs 7 telecontrol firmware/8.2
- version/siemens simatic pcs 7 telecontrol firmware/9.0
- version/siemens simatic pcs 7 telecontrol firmware/9.1
- canonical/siemens wincc
- version/siemens wincc/7.4
- version/siemens wincc/7.5
- version/siemens wincc/7.5-sp1
- version/siemens wincc/7.5-sp1_update1
- version/siemens wincc/7.5-sp1_update2
- version/siemens wincc/7.5-sp2
- version/siemens wincc/7.5-sp2_update1
- version/siemens wincc/7.5-sp2_update2
- version/siemens wincc/7.5-sp2_update3
- version/siemens wincc/7.5-sp2_update4
- version/siemens wincc/15
- version/siemens wincc/16
- version/siemens wincc/16-update1
- version/siemens wincc/16-update2
- version/siemens wincc/16-update3
- version/siemens wincc/16-update4
- version/siemens wincc/17
- version/siemens wincc/17-update1