Cleartext storage of sensitive information in Siemens SIMATIC CP
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-33716 |
| CWE-ID | CWE-312 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
SIMATIC NET CP 1545-1 Hardware solutions / Firmware SIMATIC CP 1543-1 Hardware solutions / Firmware |
| Vendor | Siemens |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Cleartext storage of sensitive information
EUVDB-ID: #VU56637
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-33716
CWE-ID:
CWE-312 - Cleartext Storage of Sensitive Information
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the storage of sensitive information in plain-text. A remote attacker on the local network can retrieve sensitive information stored in cleartext.
MitigationInstall updates from vendor's website.
Vulnerable software versionsSIMATIC NET CP 1545-1: All versions
SIMATIC CP 1543-1: before 3.0
External linkshttp://cert-portal.siemens.com/productcert/pdf/ssa-535997.pdf
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
