7.5high

CVE-2016-8562KEVin critical feed

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).

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.1 · CNA
CISA KEV
Yes
added 2022-03-03
EPSS
3.6%
percentile 90%
Public exploits
0
none known

Summary

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.

Known exploited (CISA KEV)

Added
4 y ago
Due date
2022-03-24 (4 y ago)
Ransomware use
Unknown
Required action
Apply updates per vendor instructions.
Vendor / product
Siemens / SIMATIC CP
CISA name
Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerability

CISA SSVC assessment

Exploitation
Active — exploited in the wild
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction (EPSS)

3.61% probability of exploitation in the next 30 days, higher than 90% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CISA ADP3.17.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD3.17.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA3.17.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.03.5AV:N/AC:M/Au:S/C:N/I:N/A:P

References

  • securityfocus.com /bid/94436 · vdb-entry, x_refsource_BID, x_transferred
  • ics-cert.us-cert.gov /advisories/ICSA-16-327-01 · x_refsource_MISC, x_transferred
  • siemens.com /cert/pool/cert/siemens_security_advisory_ssa-672373.pdf · x_refsource_CONFIRM, x_transferred
  • cert-portal.siemens.com /productcert/pdf/ssa-672373.pdf · x_refsource_CONFIRM, x_transferred
  • cisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-8562 · government-resource

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.