Vulnerability Monitor

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CVE-2016-8562

A vulnerability has been identified in SIMATIC CP 1543-1 (All versions < V2.0.28), SIPLUS NET CP 1543-1 (All versions < V2.0.28). Under special conditions it was possible to write SNMP variables on port 161/udp which should be read-only and should only be configured with TIA-Portal. A write to these variables could reduce the availability or cause a denial-of-service.

Published

2016-11-18T21:59:02.033

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

6.8

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	siemens	simatic_cp_1543-1_firmware	< 2.0.28	Yes
Hardware	siemens	simatic_cp_1543-1	-	No
Operating System	siemens	siplus_net_cp_1543-1_firmware	< 2.0.28	Yes
Hardware	siemens	siplus_net_cp_1543-1	-	No

References

http://www.securityfocus.com/bid/94436 Broken Link, Third Party Advisory, VDB Entry ([email protected])
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf Broken Link, Patch, Vendor Advisory ([email protected])
https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf Vendor Advisory ([email protected])
https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01 Third Party Advisory, US Government Resource ([email protected])
http://www.securityfocus.com/bid/94436 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf Broken Link, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)