CVE-2016-8562 is a critical vulnerability affecting Siemens SIMATIC CP 1543-1 and SIPLUS NET CP 1543-1 devices (all versions prior to V2.0.28). This flaw allows an attacker to write to normally read-only SNMP variables on UDP port 161, which should only be configurable via TIA-Portal. With a CVSS score of 7.5 (High), successful exploitation could lead to reduced availability or a denial-of-service condition. This vulnerability is actively exploited in the wild, as indicated by its inclusion in the KEV catalog, despite a lack of public exploit code or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.0.28CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_cp_1543-1_firmware:*:*:*:*:*:*:*:* | ||
< 2.0.28CPE matchmatch criteria | cpe:2.3:o:siemens:siplus_net_cp_1543-1_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.