SARA / Free Tools / CVE / CVE-2018-4843

CVE-2018-4843 — A vulnerability has been identified in SIMATIC S7-400 CPU 414-3 PN/DP V7 (All ve

A vulnerability has been identified in SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions <

CVSS
6.5 MEDIUM
EPSS
0.25% (top 51.90%)
CWE
CWE-20
Published
2018-03-20T14:00:00.000Z
Last modified
2024-08-05T05:18:26.626Z
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

01What is this vulnerability?

A vulnerability has been identified in SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions < V7.0.3), SIMATIC CP 343-1 (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 Advanced (incl. SIPLUS variants) (All versions)…

02Affected products

VendorProductVersions
SiemensSIMATIC S7400 CPU 414-3 PN/DP V7 — All versions < V7.0.3
SiemensSIMATIC S7400 CPU 414F-3 PN/DP V7 — All versions < V7.0.3
SiemensSIMATIC S7400 CPU 416-3 PN/DP V7 — All versions < V7.0.3
SiemensSIMATIC S7400 CPU 416F-3 PN/DP V7 — All versions < V7.0.3
SiemensSIMATIC CP 3431 (incl. SIPLUS variants) — All versions
SiemensSIMATIC CP 3431 Advanced (incl. SIPLUS variants) — All versions
SiemensSIMATIC CP 4431 — All versions < V3.3
SiemensSIMATIC CP 4431 — All versions < V3.3
SiemensSIMATIC CP 4431 Advanced — All versions < V3.3
SiemensSIMATIC ET 200pro IM1548 PN/DP CPU — All versions < V3.2.16
SiemensSIMATIC ET 200pro IM1548F PN/DP CPU — All versions < V3.2.16
SiemensSIMATIC ET 200pro IM1548FX PN/DP CPU — All versions < V3.2.16
SiemensSIMATIC ET 200S IM1518 PN/DP CPU — All versions < V3.2.16
SiemensSIMATIC ET 200S IM1518F PN/DP CPU — All versions < V3.2.16
SiemensSIMATIC S71500 CPU family (incl. related ET200 CPUs and SIPLUS variants) — All versions < V1.7.0
SiemensSIMATIC S71500 Software Controller — All versions < V1.7.0
SiemensSIMATIC S7300 CPU 314C-2 PN/DP — All versions < V3.3.16
SiemensSIMATIC S7300 CPU 315-2 PN/DP — All versions < V3.2.16
SiemensSIMATIC S7300 CPU 315F-2 PN/DP — All versions < V3.2.16
SiemensSIMATIC S7300 CPU 315T-3 PN/DP — All versions < V3.2.16
SiemensSIMATIC S7300 CPU 317-2 PN/DP — All versions < V3.2.16
SiemensSIMATIC S7300 CPU 317F-2 PN/DP — All versions < V3.2.16
SiemensSIMATIC S7300 CPU 317T-3 PN/DP — All versions < V3.2.16
SiemensSIMATIC S7300 CPU 317TF-3 PN/DP — All versions < V3.2.16
SiemensSIMATIC S7300 CPU 319-3 PN/DP — All versions < V3.2.16
SiemensSIMATIC S7300 CPU 319F-3 PN/DP — All versions < V3.2.16
SiemensSIMATIC S7400 CPU 412-2 PN V7 — All versions < V7.0.3
SiemensSIMATIC S7400 H V6 CPU family (incl. SIPLUS variants) — All versions < V6.0.9
SiemensSIMATIC S7400 PN/DP V6 CPU family (incl. SIPLUS variants) — All versions < V6.0.7
SiemensSIMATIC S7410 CPU family (incl. SIPLUS variants) — All versions < V8.1
SiemensSIMATIC WinAC RTX 2010All versions < V2010 SP3
SiemensSIMATIC WinAC RTX F 2010All versions < V2010 SP3
SiemensSINUMERIK 828DAll versions < V4.7 SP6 HF1
SiemensSIPLUS ET 200S IM1518 PN/DP CPU — All versions < V3.2.16
SiemensSIPLUS ET 200S IM1518F PN/DP CPU — All versions < V3.2.16
SiemensSIPLUS NET CP 4431 — All versions < V3.3
SiemensSIPLUS NET CP 4431 Advanced — All versions < V3.3
SiemensSIPLUS S7300 CPU 314C-2 PN/DP — All versions < V3.3.16
SiemensSIPLUS S7300 CPU 315-2 PN/DP — All versions < V3.2.16
SiemensSIPLUS S7300 CPU 315F-2 PN/DP — All versions < V3.2.16
SiemensSIPLUS S7300 CPU 317-2 PN/DP — All versions < V3.2.16
SiemensSIPLUS S7300 CPU 317F-2 PN/DP — All versions < V3.2.16
SiemensSIPLUS S7400 CPU 414-3 PN/DP V7 — All versions < V7.0.3
SiemensSIPLUS S7400 CPU 416-3 PN/DP V7 — All versions < V7.0.3
SiemensSoftnet PROFINET IO for PCbased Windows systems — All versions

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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