Cleartext storage of sensitive information in Siemens SIMATIC CP

1) Cleartext storage of sensitive information

EUVDB-ID: #VU56637

Risk: Low

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-33716

CWE-ID: CWE-312 - Cleartext Storage of Sensitive Information

Exploit availability: No

Description

The 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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SIMATIC NET CP 1545-1: All versions

SIMATIC CP 1543-1: before 3.0

CPE2.3

• cpe:2.3:h:siemens:simatic_net_cp_1545-1:*:*:*:*:*:*:*:*
• cpe:2.3:h:siemens:simatic_cp_1543-1:*:*:*:*:*:*:*:*

External links

https://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.