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ID

VAR-202101-0056


CVE

CVE-2020-13573


TITLE

Rockwell Automation RSLinx Classic  Buffer Error Vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2020-015310

DESCRIPTION

A denial-of-service vulnerability exists in the Ethernet/IP server functionality of Rockwell Automation RSLinx Classic 2.57.00.14 CPR 9 SR 3. A specially crafted network request can lead to a denial of service. An attacker can send a sequence of malicious packets to trigger this vulnerability. Rockwell Automation RSLinx Classic Is vulnerable to a buffer error.Denial of service (DoS) It may be put into a state. The solution supports access to RockwellSoftware and Allen-Bradley applications through Allen-Bradley programmable controllers

Trust: 2.25

sources: NVD: CVE-2020-13573 // JVNDB: JVNDB-2020-015310 // CNVD: CNVD-2021-05087 // VULHUB: VHN-166365

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-05087

AFFECTED PRODUCTS

vendor:rockwellautomationmodel:rslinxscope:eqversion:2.57.00.14

Trust: 1.0

vendor:rockwell automationmodel:rslinx classicscope:eqversion:2.57.00.14 cpr 9 sr 3

Trust: 0.8

vendor:rockwell automationmodel:rslinx classicscope:eqversion: -

Trust: 0.8

vendor:rockwellmodel:automation rslinx classic cpr srscope:eqversion:2.57.00.1493

Trust: 0.6

sources: CNVD: CNVD-2021-05087 // JVNDB: JVNDB-2020-015310 // NVD: CVE-2020-13573

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-13573
value: HIGH

Trust: 1.0

talos-cna@cisco.com: CVE-2020-13573
value: HIGH

Trust: 1.0

NVD: CVE-2020-13573
value: HIGH

Trust: 0.8

CNVD: CNVD-2021-05087
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202101-391
value: HIGH

Trust: 0.6

VULHUB: VHN-166365
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2020-13573
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2021-05087
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

VULHUB: VHN-166365
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

talos-cna@cisco.com: CVE-2020-13573
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.0

Trust: 1.8

nvd@nist.gov: CVE-2020-13573
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

sources: CNVD: CNVD-2021-05087 // VULHUB: VHN-166365 // JVNDB: JVNDB-2020-015310 // CNNVD: CNNVD-202101-391 // NVD: CVE-2020-13573 // NVD: CVE-2020-13573

PROBLEMTYPE DATA

problemtype:CWE-119

Trust: 1.1

problemtype:CWE-823

Trust: 1.0

problemtype:Buffer error (CWE-119) [NVD Evaluation ]

Trust: 0.8

sources: VULHUB: VHN-166365 // JVNDB: JVNDB-2020-015310 // NVD: CVE-2020-13573

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202101-391

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202101-391

PATCH

title:top pageurl:https://www.rockwellautomation.com/ja-jp.html

Trust: 0.8

title:Patch for Rockwell Automation RSLinx Classic Denial of Service Vulnerability (CNVD-2021-05087)url:https://www.cnvd.org.cn/patchInfo/show/245101

Trust: 0.6

title:Rockwell Automation RSLinx Classic Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=139278

Trust: 0.6

sources: CNVD: CNVD-2021-05087 // JVNDB: JVNDB-2020-015310 // CNNVD: CNNVD-202101-391

EXTERNAL IDS

db:TALOSid:TALOS-2020-1184

Trust: 3.1

db:NVDid:CVE-2020-13573

Trust: 3.1

db:JVNDBid:JVNDB-2020-015310

Trust: 0.8

db:CNVDid:CNVD-2021-05087

Trust: 0.6

db:CNNVDid:CNNVD-202101-391

Trust: 0.6

db:VULHUBid:VHN-166365

Trust: 0.1

sources: CNVD: CNVD-2021-05087 // VULHUB: VHN-166365 // JVNDB: JVNDB-2020-015310 // CNNVD: CNNVD-202101-391 // NVD: CVE-2020-13573

REFERENCES

url:https://talosintelligence.com/vulnerability_reports/talos-2020-1184

Trust: 3.1

url:https://nvd.nist.gov/vuln/detail/cve-2020-13573

Trust: 1.4

sources: CNVD: CNVD-2021-05087 // VULHUB: VHN-166365 // JVNDB: JVNDB-2020-015310 // CNNVD: CNNVD-202101-391 // NVD: CVE-2020-13573

CREDITS

Discovered by Alexander Perez-Palma of Cisco Talos.

Trust: 0.6

sources: CNNVD: CNNVD-202101-391

SOURCES

db:CNVDid:CNVD-2021-05087
db:VULHUBid:VHN-166365
db:JVNDBid:JVNDB-2020-015310
db:CNNVDid:CNNVD-202101-391
db:NVDid:CVE-2020-13573

LAST UPDATE DATE

2024-11-23T23:04:07.897000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-05087date:2021-02-04T00:00:00
db:VULHUBid:VHN-166365date:2022-06-07T00:00:00
db:JVNDBid:JVNDB-2020-015310date:2021-09-16T07:57:00
db:CNNVDid:CNNVD-202101-391date:2021-01-20T00:00:00
db:NVDid:CVE-2020-13573date:2024-11-21T05:01:31.670

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-05087date:2021-01-21T00:00:00
db:VULHUBid:VHN-166365date:2021-01-07T00:00:00
db:JVNDBid:JVNDB-2020-015310date:2021-09-16T00:00:00
db:CNNVDid:CNNVD-202101-391date:2021-01-07T00:00:00
db:NVDid:CVE-2020-13573date:2021-01-07T18:15:12.950