CVE-2019-10936 json
Affected devices improperly handle large amounts of specially crafted UDP packets.
published 2019-10-10 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-2650
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
Affected devices improperly handle large amounts of specially crafted UDP packets.
This could allow an unauthenticated remote attacker to trigger a denial of service condition.
Patch / fix
- Siemens SIMATIC CFU PA V1.2.0
- Siemens SIMATIC ET 200MP IM 155-5 PN BA V4.3.0
- Siemens SIMATIC ET 200MP IM 155-5 PN HF V4.4.0
- Siemens SIMATIC ET 200SP IM 155-6 PN HF V4.2.2
- Siemens SIMATIC ET 200SP IM 155-6 PN HS V4.0.1
- Siemens SIMATIC ET 200SP IM 155-6 PN/2 HF V4.2.2
- Siemens SIMATIC ET 200SP IM 155-6 PN/3 HF V4.2.1
- Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) V2.0
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-19-283-02 updated cvss 7.5
Siemens PROFINET Devices (Update K)
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Siemens Development/Evaluation Kits for PROFINET IO: DK Standard Ethernet Controller Siemens Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200affected: mitigation, no fix planned
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Siemens Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200P <V4.6_Patch_01affected: fixed in V4.6, mitigation support.industry.siemens.com
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Siemens SIMATIC CFU PA (6ES7655-5PX11-0XX0) <V1.2.0affected: fixed in V1.2.0, mitigation
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Siemens SIMATIC ET 200AL IM 157-1 PN (6ES7157-1AB00-0AB0) Siemens SIMATIC ET 200M (incl. SIPLUS variants)affected: mitigation, no fix planned
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Siemens SIMATIC ET 200MP IM 155-5 PN BA (6ES7155-5AA00-0AA0) <V4.3.0affected: fixed in V4.3.0, mitigation
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Siemens SIMATIC ET 200MP IM 155-5 PN HF (6ES7155-5AA00-0AC0) <V4.4.0affected: fixed in V4.4.0, mitigation
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Siemens SIMATIC ET 200MP IM 155-5 PN ST (6ES7155-5AA00-0AB0) Siemens SIMATIC ET 200MP IM 155-5 PN ST (6ES7155-5AA01-0AB0) Siemens SIMATIC ET 200pro IM 154-3 PN HF (6ES7154-3AB00-0AB0) Siemens SIMATIC ET 200pro IM 154-4 PN HF (6ES7154-4AB10-0AB0)affected: mitigation, no fix planned
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Siemens SIMATIC ET 200pro IM 154-8 PN/DP CPU (6ES7154-8AB01-0AB0) <V3.2.17affected: fixed in V3.2.17, mitigation support.industry.siemens.com
show 13 moreshow fewer
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Siemens SIMATIC ET 200pro IM 154-8F PN/DP CPU (6ES7154-8FB01-0AB0) <V3.2.17affected: fixed in V3.2.17, mitigation support.industry.siemens.com
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Siemens SIMATIC ET 200pro IM 154-8FX PN/DP CPU (6ES7154-8FX00-0AB0) <V3.2.17affected: fixed in V3.2.17, mitigation support.industry.siemens.com
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Siemens SIMATIC ET 200S IM 151-8 PN/DP CPU (6ES7151-8AB01-0AB0) <V3.2.17affected: fixed in V3.2.17, mitigation support.industry.siemens.com
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Siemens SIMATIC ET 200S IM 151-8F PN/DP CPU (6ES7151-8FB01-0AB0) <V3.2.17affected: fixed in V3.2.17, mitigation support.industry.siemens.com
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Siemens SIMATIC ET 200SP IM 155-6 PN BA (6ES7155-6AR00-0AN0)affected: mitigation, no fix planned
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Siemens SIMATIC ET 200SP IM 155-6 PN HA (incl. SIPLUS variants) <V1.2.1affected: fixed in V1.2.1, mitigation support.industry.siemens.com
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Siemens SIMATIC ET 200SP IM 155-6 PN HF (6ES7155-6AU00-0CN0) <V4.2.2affected: fixed in V4.2.2, mitigation
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Siemens SIMATIC ET 200SP IM 155-6 PN HS (6ES7155-6AU00-0DN0) <V4.0.1affected: fixed in V4.0.1, mitigation
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Siemens SIMATIC ET 200SP IM 155-6 PN ST (6ES7155-6AU00-0BN0) Siemens SIMATIC ET 200SP IM 155-6 PN ST (6ES7155-6AU01-0BN0) Siemens SIMATIC ET 200SP IM 155-6 PN ST BA (6ES7155-6AA00-0BN0) Siemens SIMATIC ET 200SP IM 155-6 PN ST BA (6ES7155-6AA01-0BN0)affected: mitigation, no fix planned
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Siemens SIMATIC ET 200SP IM 155-6 PN/2 HF (6ES7155-6AU01-0CN0) <V4.2.2affected: fixed in V4.2.2, mitigation
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Siemens SIMATIC ET 200SP IM 155-6 PN/3 HF (6ES7155-6AU30-0CN0) <V4.2.1affected: fixed in V4.2.1, mitigation
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Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) <V2.0affected: fixed in V2.0, mitigation
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Siemens SIMATIC ET200ecoPN, 4AO U/I 4xM12 (6ES7145-6HD00-0AB0) Siemens SIMATIC ET200ecoPN, 8 DIO, DC24V/1,3A, 8xM12 (6ES7147-6BG00-0AB0) Siemens SIMATIC ET200ecoPN, 8 DO, DC24V/2A, 8xM12 (6ES7142-6BR00-0AB0) Siemens SIMATIC ET200ecoPN, 8AI RTD/TC 8xM12 (6ES7144-6KD50-0AB0) Siemens SIMATIC ET200ecoPN, 8AI; 4 U/I; 4 RTD/TC 8xM12 (6ES7144-6KD00-0AB0) Siemens SIMATIC ET200ecoPN, 8DI, DC24V, 4xM12 (6ES7141-6BF00-0AB0)affected: mitigation, no fix planned
+6 more productsfewer
Siemens SIMATIC ET200ecoPN, 8DI, DC24V, 8xM12 (6ES7141-6BG00-0AB0) Siemens SIMATIC ET200ecoPN, 8DO, DC24V/0,5A, 4xM12 (6ES7142-6BF50-0AB0) Siemens SIMATIC ET200ecoPN, 8DO, DC24V/1,3A, 4xM12 (6ES7142-6BF00-0AB0) Siemens SIMATIC ET200ecoPN, 8DO, DC24V/1,3A, 8xM12 (6ES7142-6BG00-0AB0) Siemens SIMATIC ET200ecoPN, 16DI, DC24V, 8xM12 (6ES7141-6BH00-0AB0) Siemens SIMATIC ET200ecoPN, 16DO DC24V/1,3A, 8xM12 (6ES7142-6BH00-0AB0)
80 more affected in the full advisory
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
2.07% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | 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 |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- Siemens Development/Evaluation Kits for PROFINET IO: DK Standard Ethernet Controller
- Siemens Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200
- Siemens Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200P
- Siemens SIMATIC CFU PA
- Siemens SIMATIC ET 200AL IM 157-1 PN
- Siemens SIMATIC ET 200M (incl. SIPLUS variants)
- Siemens SIMATIC ET 200MP IM 155-5 PN BA
- Siemens SIMATIC ET 200MP IM 155-5 PN HF
- Siemens SIMATIC ET 200MP IM 155-5 PN ST
- Siemens SIMATIC ET 200pro IM 154-3 PN HF
- Siemens SIMATIC ET 200pro IM 154-4 PN HF
- Siemens SIMATIC ET 200pro IM 154-8 PN/DP CPU
- Siemens SIMATIC ET 200pro IM 154-8F PN/DP CPU
- Siemens SIMATIC ET 200pro IM 154-8FX PN/DP CPU
- Siemens SIMATIC ET 200S IM 151-8 PN/DP CPU
- Siemens SIMATIC ET 200S IM 151-8F PN/DP CPU
- Siemens SIMATIC ET 200SP IM 155-6 PN BA
- Siemens SIMATIC ET 200SP IM 155-6 PN HA (incl. SIPLUS variants)
- Siemens SIMATIC ET 200SP IM 155-6 PN HF
- Siemens SIMATIC ET 200SP IM 155-6 PN HS
- Siemens SIMATIC ET 200SP IM 155-6 PN ST
- Siemens SIMATIC ET 200SP IM 155-6 PN ST BA
- Siemens SIMATIC ET 200SP IM 155-6 PN/2 HF
- Siemens SIMATIC ET 200SP IM 155-6 PN/3 HF
- Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants)
- Siemens SIMATIC ET200ecoPN, 16DI, DC24V, 8xM12
- Siemens SIMATIC ET200ecoPN, 16DO DC24V/1,3A, 8xM12
- Siemens SIMATIC ET200ecoPN, 4AO U/I 4xM12
- Siemens SIMATIC ET200ecoPN, 8 DIO, DC24V/1,3A, 8xM12
- Siemens SIMATIC ET200ecoPN, 8 DO, DC24V/2A, 8xM12
- Siemens SIMATIC ET200ecoPN, 8AI RTD/TC 8xM12
- Siemens SIMATIC ET200ecoPN, 8AI; 4 U/I; 4 RTD/TC 8xM12
- Siemens SIMATIC ET200ecoPN, 8DI, DC24V, 4xM12
- Siemens SIMATIC ET200ecoPN, 8DI, DC24V, 8xM12
- Siemens SIMATIC ET200ecoPN, 8DO, DC24V/0,5A, 4xM12
- Siemens SIMATIC ET200ecoPN, 8DO, DC24V/1,3A, 4xM12
- Siemens SIMATIC ET200ecoPN, 8DO, DC24V/1,3A, 8xM12
- Siemens SIMATIC ET200ecoPN: IO-Link Master
- Siemens SIMATIC ET200S (incl. SIPLUS variants)
- Siemens SIMATIC HMI Comfort Outdoor Panels (incl. SIPLUS variants)
- Siemens SIMATIC HMI Comfort Panels (incl. SIPLUS variants)
- Siemens SIMATIC HMI KTP Mobile Panels
- Siemens SIMATIC PN/PN Coupler
- Siemens SIMATIC PROFINET Driver
- Siemens SIMATIC S7-1200 CPU family (incl. SIPLUS variants)
- Siemens SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)
- Siemens SIMATIC S7-1500 Software Controller
- Siemens SIMATIC S7-300 CPU 314C-2 PN/DP
- Siemens SIMATIC S7-300 CPU 315-2 PN/DP
- Siemens SIMATIC S7-300 CPU 315F-2 PN/DP
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
Sources
- CVE List CVE-2019-10936
- NVD CVE-2019-10936
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.