Siemens SIMATIC Drive Controller Service Port 102 102/tcp memory leak
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.2 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in Siemens SIMATIC Drive Controller, SIMATIC ET 200SP Open Controller CPU 1515SP PC2, SIMATIC S7-1200 CPU, SIMATIC S7-1500 CPU, SIMATIC S7-1500 Software Controller and SIMATIC S7-PLCSIM Advanced (SCADA Software). Affected is some unknown processing of the file 102/tcp of the component Service Port 102. The manipulation with an unknown input leads to a memory leak vulnerability. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is going to have an impact on availability.
The weakness was presented 02/09/2022 as ssa-838121. The advisory is available at cert-portal.siemens.com. This vulnerability is traded as CVE-2021-37205 since 07/21/2021. Technical details are known, but there is no available exploit.
Upgrading eliminates this vulnerability.
Product
Type
Vendor
Name
- SIMATIC Drive Controller
- SIMATIC ET 200SP Open Controller CPU 1515SP PC2
- SIMATIC S7-1200 CPU
- SIMATIC S7-1500 CPU
- SIMATIC S7-1500 Software Controller
- SIMATIC S7-PLCSIM Advanced
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.2
VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Memory leakCWE: CWE-401 / CWE-404
ATT&CK: Unknown
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
07/21/2021 🔍02/09/2022 🔍
02/09/2022 🔍
02/12/2022 🔍
Sources
Vendor: siemens.comAdvisory: ssa-838121
Status: Confirmed
CVE: CVE-2021-37205 (🔍)
Entry
Created: 02/09/2022 21:50Updated: 02/12/2022 20:33
Changes: 02/09/2022 21:50 (40), 02/12/2022 20:33 (1)
Complete: 🔍
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