Security Features in Siemens SIMATIC STEP 7

1) Security Features

EUVDB-ID: #VU40843

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2015-1601

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Siemens SIMATIC STEP 7 (TIA Portal) 12 and 13 before 13 SP1 Upd1 allows man-in-the-middle attackers to obtain sensitive information or modify transmitted data via unspecified vectors.

Mitigation

Install update from vendor's website.

Vulnerable software versions

SIMATIC STEP 7: 12 - 13

CPE2.3

• cpe:2.3:a:siemens:simatic_step_7:12:*:*:*:*:*:*:*
• cpe:2.3:a:siemens:simatic_step_7:13:*:*:*:*:*:*:*

External links

https://www.securityfocus.com/bid/72691
https://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-315836.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-487246.pdf

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.