critical9.1
CVE-2021-20093
A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a.
Impact
A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to disclose heap memory contents or crash the CodeMeter Runtime Server.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Wibu | Codemeter | through 7.21a |
| Siemens | Pss Cape | All versions |
| Siemens | Sicam 230 Firmware | All versions |
| Siemens | Simatic Information Server | Versions 2019, 2020 |
| Siemens | Simatic Pcs Neo | before 3.1 |
| Siemens | Simatic Wincc Oa | Versions 3.17, 3.18 |
| Siemens | Simit Simulation Platform | from 10.0 before 10.3 Version 10.3 |
| Siemens | Sinec Infrastructure Network Services | before 1.0.1.1 Version 1.0.1 |
| Siemens | Sinema Remote Connect Server | before 3.0 Version 3.0 |
| Siemens | Simatic Process Historian | from 2019 before 2020 Version 2020 |
Weakness classification
References
- NVD record
- CVE.org record
- https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02
- https://www.tenable.com/security/research/tra-2021-24
- https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02
- https://www.tenable.com/security/research/tra-2021-24