CVE & CISA-KEV Catalog

CVE-2020-28397

MEDIUM

5.3

CVSS v3

Description

A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC S7 PLCSIM Advanced (All versions > V2 < V4), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (Version V4.4), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions > V2.5 < V2.9.2), SIMATIC S7-1500 Software Controller (All versions > V2.5 < V21.9), TIM 1531 IRC (incl. SIPLUS NET variants) (Version V2.1). Due to an incorrect authorization check in the affected component, an attacker could extract information about access protected PLC program variables over port 102/tcp from an affected device when reading multiple attributes at once.

CWE-863Incorrect Authorization

How to fix

Remediation Available

cpu1510sp f-1 firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1504d tf firmwareNVD

Affected:< 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1507d tf firmwareNVD

Affected:< 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1510sp-1pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1511-1pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1511c-1 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1511f-1pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1511t-1pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1511tf-1pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1512c-1 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1512sp-1 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1512sp f-1 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1513-1 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1513f-1 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1513pro f-2 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1513r-1 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1515-2 firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1515f-2 firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1515r-2 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1515sp pc2 tf firmwareNVD

Affected:< 21.9Fixed in:21.9CVE-2020-28397derived from NVD

cpu 1515t-2 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1515tf-2 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1516-3 firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1516f-3 firmwareNVD

Affected:>= 2.5, < 2.9.2.Fixed in:2.9.2.CVE-2020-28397derived from NVD

cpu 1516pro-2 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1516pro f-2 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1516t-3 pn\/dp firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1516tf-3 pn\/dp firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1517-3 pn\/dp firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1517f-3 pn\/dp firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1517t-3 pn\/dp firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1517tf-3 pn\/dp firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1518-4 pn\/dp firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

cpu 1518f-4 pn\/dp firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

simatic s7-1500 software controllerNVD

Affected:>= 2.5, < 21.9Fixed in:21.9CVE-2020-28397derived from NVD

simatic s7 plcsim advanced firmwareNVD

Affected:>= 2.0, < 4.0Fixed in:4.0CVE-2020-28397derived from NVD

siplus cpu-1516f-3 pn\/dp firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

siplus cpu 1510sp f-1pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

siplus cpu 1511-1 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

siplus cpu 1511f-1 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

siplus cpu 1512sp-1 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

siplus cpu 1512sp f-1pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

siplus cpu 1513-1 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

siplus cpu 1513f-1 pn firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

siplus cpu 1516-3 pn\/dp firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

siplus cpu 1518-4 pn\/dp firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

siplus cpu 1518f-4 pn\/dp firmwareNVD

Affected:>= 2.5, < 2.9.2Fixed in:2.9.2CVE-2020-28397derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.75%probability of exploitation in 30 days

51stpercentile

Moderate risk: more likely to be exploited than 51% of all known CVEs.

References

Patch1

cert-portal.siemens.com

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-22518	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-38035	Critical	9.8	100%	KEV + Ransom	-
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2025-29927	Critical	9.1	100%	-	Fix
CVE-2024-38856	Critical	9.8	99%	KEV	Fix
CVE-2020-36289	Medium	5.3	99%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.