CVE-2019-10920
Siemens LOGO! 8 Hard-Coded Cryptographic Key
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). Project data stored on the device, which is accessible via port 10005/tcp, can be decrypted due to a hardcoded encryption key. The security vulnerability could be exploited by an unauthenticated attacker with network access to port 10005/tcp. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality of the device. At the time of advisory publication no public exploitation of this security vulnerability was known.
Se ha identificado una vulnerabilidad en LOGO!8 BM (incluidas las variantes SIPLUS) (todas las versiones anteriores a la versión V8.3). Los datos del proyecto almacenados en el dispositivo, al que se puede acceder por medio del puerto 10005/tcp, puede ser descifrado debido a una clave de cifrado codificada. La vulnerabilidad de la seguridad podría ser explotada por un atacante no identificado con acceso de red al puerto 10005/tcp. No se requiere la interacción del usuario para explotar esta vulnerabilidad de seguridad. La vulnerabilidad afecta a la confidencialidad del dispositivo. En el momento de la publicación de asesoramiento, no se conocía la explotación pública de esta vulnerabilidad de seguridad
Due to the use of a hard-coded cryptographic key, an attacker can put the integrity and confidentiality of encrypted data of all Siemens LOGO! 8 PLCs using this key at risk, for instance decrypting network communication during a man-in-the-middle attack.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2019-04-08 CVE Reserved
- 2019-05-14 CVE Published
- 2024-08-04 CVE Updated
- 2024-11-13 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-321: Use of Hard-coded Cryptographic Key
- CWE-798: Use of Hard-coded Credentials
CAPEC
References (5)
| URL | Tag | Source |
|---|---|---|
| http://packetstormsecurity.com/files/153122/Siemens-LOGO-8-Hard-Coded-Cryptographic-Key.html | Third Party Advisory |
|
| http://seclists.org/fulldisclosure/2019/May/44 | Mailing List |
|
| http://www.securityfocus.com/bid/108382 | Third Party Advisory | |
| https://seclists.org/bugtraq/2019/May/72 | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-542701.pdf | 2022-01-04 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Siemens Search vendor "Siemens" | Logo\!8 Bm Firmware Search vendor "Siemens" for product "Logo\!8 Bm Firmware" | * | - |
Affected
| in | Siemens Search vendor "Siemens" | Logo\!8 Bm Search vendor "Siemens" for product "Logo\!8 Bm" | * | - |
Safe
|
| Siemens Search vendor "Siemens" | Logo\!8 Bm Firmware Search vendor "Siemens" for product "Logo\!8 Bm Firmware" | < 8.3 Search vendor "Siemens" for product "Logo\!8 Bm Firmware" and version " < 8.3" | - |
Affected
| in | Siemens Search vendor "Siemens" | Logo\!8 Bm Search vendor "Siemens" for product "Logo\!8 Bm" | * | - |
Safe
|