CVE-2020-15782

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Summary

CVECVE-2020-15782
StatePUBLISHED
Assignersiemens
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-28 16:15:07 UTC
Updated2026-06-02 20:16:24 UTC
DescriptionA vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.5.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V2.9.2), SIMATIC S7-1500 Software Controller (All versions < V21.9), SIMATIC S7-PLCSIM Advanced (All versions < V4.0), SINAMICS PERFECT HARMONY GH180 Drives (Drives manufactured before 2021-08-13), SINUMERIK MC (All versions < V6.15), SINUMERIK ONE (All versions < V6.15). Affected devices are vulnerable to a memory protection bypass through a specific operation. A remote unauthenticated attacker with network access to port 102/tcp could potentially write arbitrary data and code to protected memory areas or read sensitive data to launch further attacks.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.003020000 probability, percentile 0.537550000 (date 2026-06-02)

Problem Types: CWE-119 | CWE-119 CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1ADPDECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Siemens 6es7510-1dj01-0ab0 - All All All
Hardware Siemens 6es7510-1sj01-0ab0 - All All All
Hardware Siemens 6es7511-1ak01-0ab0 - All All All
Hardware Siemens 6es7511-1ak02-0ab0 - All All All
Hardware Siemens 6es7511-1ck00-0ab0 - All All All
Hardware Siemens 6es7511-1ck01-0ab0 - All All All
Hardware Siemens 6es7511-1fk01-0ab0 - All All All
Hardware Siemens 6es7511-1fk02-0ab0 - All All All
Hardware Siemens 6es7511-1tk01-0ab0 - All All All
Hardware Siemens 6es7511-1uk01-0ab0 - All All All
Hardware Siemens 6es7512-1ck00-0ab0 - All All All
Hardware Siemens 6es7512-1ck01-0ab0 - All All All
Hardware Siemens 6es7512-1dk01-0ab0 - All All All
Hardware Siemens 6es7512-1sk01-0ab0 - All All All
Hardware Siemens 6es7513-1al01-0ab0 - All All All
Hardware Siemens 6es7513-1al02-0ab0 - All All All
Hardware Siemens 6es7513-1fl01-0ab0 - All All All
Hardware Siemens 6es7513-1fl02-0ab0 - All All All
Hardware Siemens 6es7513-1rl00-0ab0 - All All All
Hardware Siemens 6es7513-2gl00-0ab0 - All All All
Hardware Siemens 6es7513-2pl00-0ab0 - All All All
Hardware Siemens 6es7515-2am01-0ab0 - All All All
Hardware Siemens 6es7515-2am02-0ab0 - All All All
Hardware Siemens 6es7515-2fm01-0ab0 - All All All
Hardware Siemens 6es7515-2fm02-0ab0 - All All All
Hardware Siemens 6es7515-2rm00-0ab0 - All All All
Hardware Siemens 6es7515-2tm01-0ab0 - All All All
Hardware Siemens 6es7515-2um01-0ab0 - All All All
Hardware Siemens 6es7516-2gn00-0ab0 - All All All
Hardware Siemens 6es7516-2pn00-0ab0 - All All All
Hardware Siemens 6es7516-3an01-0ab0 - All All All
Hardware Siemens 6es7516-3an02-0ab0 - All All All
Hardware Siemens 6es7516-3fn01-0ab0 - All All All
Hardware Siemens 6es7516-3fn02-0ab0 - All All All
Hardware Siemens 6es7516-3tn00-0ab0 - All All All
Hardware Siemens 6es7516-3un00-0ab0 - All All All
Hardware Siemens 6es7517-3ap00-0ab0 - All All All
Hardware Siemens 6es7517-3fp00-0ab0 - All All All
Hardware Siemens 6es7517-3hp00-0ab0 - All All All
Hardware Siemens 6es7517-3tp00-0ab0 - All All All
Hardware Siemens 6es7517-3up00-0ab0 - All All All
Hardware Siemens 6es7518-4ap00-0ab0 - All All All
Hardware Siemens 6es7518-4ap00-3ab0 - All All All
Hardware Siemens 6es7518-4fp00-0ab0 - All All All
Hardware Siemens 6es7518-4fp00-3ab0 - All All All
Hardware Siemens Cpu 1211c - All All All
Hardware Siemens Cpu 1212c - All All All
Hardware Siemens Cpu 1212fc - All All All
Hardware Siemens Cpu 1214c - All All All
Hardware Siemens Cpu 1214fc - All All All
Hardware Siemens Cpu 1215c - All All All
Hardware Siemens Cpu 1215fc - All All All
Hardware Siemens Cpu 1217c - All All All
Hardware Siemens Cpu 1504d Tf - All All All
Hardware Siemens Cpu 1507d Tf - All All All
Hardware Siemens Cpu 1515sp Pc - All All All
Hardware Siemens Cpu 1515sp Pc2 - All All All
Operating System Siemens Et 200sp Open Controller Firmware All All All All
Operating System Siemens S7-1200 Cpu Firmware All All All All
Operating System Siemens S7-1500 Cpu Firmware All All All All
Operating System Siemens Simatic Driver Controller Firmware All All All All
Application Siemens Simatic S7-1500 Software Controller All All All All
Application Siemens Simatic S7-plcsim Advanced All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Siemens SIMATIC Drive Controller Family affected All versions < V2.9.2 Not specified
CNA Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC Incl. SIPLUS Variants affected All versions Not specified
CNA Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC2 Incl. SIPLUS Variants affected All versions < V21.9 Not specified
CNA Siemens SIMATIC S7-1200 CPU Family Incl. SIPLUS Variants affected All versions < V4.5.0 Not specified
CNA Siemens SIMATIC S7-1500 CPU Family Incl. Related ET200 CPUs And SIPLUS Variants affected All versions < V2.9.2 Not specified
CNA Siemens SIMATIC S7-1500 Software Controller affected All versions < V21.9 Not specified
CNA Siemens SIMATIC S7-PLCSIM Advanced affected All versions < V4.0 Not specified
CNA Siemens SINAMICS PERFECT HARMONY GH180 Drives affected Drives manufactured before 2021-08-13 Not specified
CNA Siemens SINUMERIK MC affected All versions < V6.15 Not specified
CNA Siemens SINUMERIK ONE affected All versions < V6.15 Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/pdf/ssa-434535.pdf af854a3a-2127-422b-91ae-364da2661108 cert-portal.siemens.com
cert-portal.siemens.com/productcert/pdf/ssa-434534.pdf af854a3a-2127-422b-91ae-364da2661108 cert-portal.siemens.com Patch, Vendor Advisory
cert-portal.siemens.com/productcert/pdf/ssa-434536.pdf af854a3a-2127-422b-91ae-364da2661108 cert-portal.siemens.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 590697 Siemens SINAMICS PERFECT HARMONY GH180 (Update A) Vulnerability (ICSA-21-194-13)
  • 591228 Siemens SIMATIC S7-PLCSIM Advanced Vulnerability (icsa-21-152-01, SSA-434534)
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