What is CVE-2016-8673?

CVE-2016-8673 is a high-severity vulnerability in Siemens Simatic Cp 343-1, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2016-11-23.

How severe is CVE-2016-8673?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2016-8673 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

CSRF in Siemens Simatic Cp 343-1

CVE-2016-8673

A vulnerability has been identified in SIMATIC CP 343-1 Advanced (incl. SIPLUS NET variant) (All versions < V3.0.53), SIMATIC CP 443-1 Advanced (incl. SIPLUS NET variant) (All versions < V3.2.17), SIMATIC S7-300 PN/DP CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP CPU family (incl. SIPLUS variants) (All versions). The integrated web server at port 80/TCP or port 443/TCP of the affected devices could allow remote attackers to perform actions with the permissions of an authenticated user, provided the targeted user has an active session and is induced to trigger the malicious request.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.011 (63.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

Public proof-of-concept exploits

f-secure-foundry/advisories

References

cve@mitre.org (x_refsource_MISC)

Frequently asked questions

What is CVE-2016-8673?: CVE-2016-8673 is a high-severity vulnerability in Siemens Simatic Cp 343-1, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2016-11-23.
How severe is CVE-2016-8673?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2016-8673 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.