SARA / Free Tools / CVE / CVE-2019-10936

CVE-2019-10936 — Affected devices improperly handle large amounts of specially crafted UDP packet

Affected devices improperly handle large amounts of specially crafted UDP packets.

CVSS
7.5 HIGH
EPSS
1.99% (top 16.50%)
CWE
CWE-400
Published
2019-10-10T00:00:00.000Z
Last modified
2024-08-04T22:40:15.253Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

01What is this vulnerability?

Affected devices improperly handle large amounts of specially crafted UDP packets.

02Affected products

VendorProductVersions
SiemensDevelopment/Evaluation Kits for PROFINET IO: DK Standard Ethernet Controller0
SiemensDevelopment/Evaluation Kits for PROFINET IO: EKERTEC 200 — 0
SiemensDevelopment/Evaluation Kits for PROFINET IO: EKERTEC 200P — All versions < V4.6 Patch 01
SiemensSIMATIC CFU PA0
SiemensSIMATIC ET 200AL IM 1571 PN — All versions
SiemensSIMATIC ET 200M (incl. SIPLUS variants)All versions
SiemensSIMATIC ET 200MP IM 1555 PN BA — 0
SiemensSIMATIC ET 200MP IM 1555 PN HF — 0
SiemensSIMATIC ET 200MP IM 1555 PN ST — 0
SiemensSIMATIC ET 200MP IM 1555 PN ST — 0
SiemensSIMATIC ET 200pro IM 1543 PN HF — 0
SiemensSIMATIC ET 200pro IM 1544 PN HF — 0
SiemensSIMATIC ET 200pro IM 1548 PN/DP CPU — All versions < V3.2.17
SiemensSIMATIC ET 200pro IM 1548F PN/DP CPU — All versions < V3.2.17
SiemensSIMATIC ET 200pro IM 1548FX PN/DP CPU — All versions < V3.2.17
SiemensSIMATIC ET 200S IM 1518 PN/DP CPU — All versions < V3.2.17
SiemensSIMATIC ET 200S IM 1518F PN/DP CPU — All versions < V3.2.17
SiemensSIMATIC ET 200SP IM 1556 PN BA — 0
SiemensSIMATIC ET 200SP IM 1556 PN HA (incl. SIPLUS variants) — All versions < V1.2.1
SiemensSIMATIC ET 200SP IM 1556 PN HF — 0
SiemensSIMATIC ET 200SP IM 1556 PN HS — 0
SiemensSIMATIC ET 200SP IM 1556 PN ST — 0
SiemensSIMATIC ET 200SP IM 1556 PN ST — 0
SiemensSIMATIC ET 200SP IM 1556 PN ST BA — 0
SiemensSIMATIC ET 200SP IM 1556 PN ST BA — 0
SiemensSIMATIC ET 200SP IM 1556 PN/2 HF — 0
SiemensSIMATIC ET 200SP IM 1556 PN/3 HF — 0
SiemensSIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants)0
SiemensSIMATIC ET200ecoPN, 16DI, DC24V, 8xM12All versions
SiemensSIMATIC ET200ecoPN, 16DO DC24V/1,3A, 8xM12All versions
SiemensSIMATIC ET200ecoPN, 4AO U/I 4xM12All versions
SiemensSIMATIC ET200ecoPN, 8 DIO, DC24V/1,3A, 8xM12All versions
SiemensSIMATIC ET200ecoPN, 8 DO, DC24V/2A, 8xM12All versions
SiemensSIMATIC ET200ecoPN, 8AI RTD/TC 8xM12All versions
SiemensSIMATIC ET200ecoPN, 8AI; 4 U/I; 4 RTD/TC 8xM12All versions
SiemensSIMATIC ET200ecoPN, 8DI, DC24V, 4xM12All versions
SiemensSIMATIC ET200ecoPN, 8DI, DC24V, 8xM12All versions
SiemensSIMATIC ET200ecoPN, 8DO, DC24V/0,5A, 4xM12All versions
SiemensSIMATIC ET200ecoPN, 8DO, DC24V/1,3A, 4xM12All versions
SiemensSIMATIC ET200ecoPN, 8DO, DC24V/1,3A, 8xM12All versions
SiemensSIMATIC ET200ecoPN: IOLink Master — All versions
SiemensSIMATIC ET200S (incl. SIPLUS variants)All versions
SiemensSIMATIC HMI Comfort Outdoor Panels (incl. SIPLUS variants)0
SiemensSIMATIC HMI Comfort Panels (incl. SIPLUS variants)0
SiemensSIMATIC HMI KTP Mobile Panels0
SiemensSIMATIC PN/PN CouplerAll versions < V4.2.1
SiemensSIMATIC PROFINET DriverAll versions < V2.1
SiemensSIMATIC S71200 CPU family (incl. SIPLUS variants) — All versions < V4.4.0
SiemensSIMATIC S71500 CPU family (incl. related ET200 CPUs and SIPLUS variants) — All versions < V2.0
SiemensSIMATIC S71500 Software Controller — All versions < V2.0

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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