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ID

VAR-202012-0518


CVE

CVE-2020-25229


TITLE

LOGO! 8 BM  In  Capture-replay  Authentication bypass vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2020-014381

DESCRIPTION

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). The implemented encryption for communication with affected devices is prone to replay attacks due to the usage of a static key. An attacker could change the password or change the configuration on any affected device if using prepared messages that were generated for another device. Siemens LOGO! 8 BM is a programming software for the Windows platform in an industrial environment from Siemens in Germany

Trust: 2.16

sources: NVD: CVE-2020-25229 // JVNDB: JVNDB-2020-014381 // CNVD: CNVD-2020-70938

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2020-70938

AFFECTED PRODUCTS

vendor:siemensmodel:logo\! 8 bmscope:ltversion:8.3

Trust: 1.0

vendor:シーメンスmodel:logo! 8 bmscope:eqversion: -

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vendor:シーメンスmodel:logo! 8 bmscope:eqversion:logo! 8 bm firmware 8.3

Trust: 0.8

vendor:siemensmodel:logo! bmscope:eqversion:8<v8.3

Trust: 0.6

vendor:siemensmodel:logo! soft comfortscope:ltversion:v8.3

Trust: 0.6

sources: CNVD: CNVD-2020-70938 // JVNDB: JVNDB-2020-014381 // NVD: CVE-2020-25229

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-25229
value: HIGH

Trust: 1.0

NVD: CVE-2020-25229
value: HIGH

Trust: 0.8

CNVD: CNVD-2020-70938
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202012-694
value: HIGH

Trust: 0.6

nvd@nist.gov: CVE-2020-25229
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:P/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: PARTIAL
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2020-70938
severity: HIGH
baseScore: 10.0
vectorString: AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2020-25229
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: HIGH
availabilityImpact: NONE
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: CVE-2020-25229
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: HIGH
availabilityImpact: NONE
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2020-70938 // JVNDB: JVNDB-2020-014381 // CNNVD: CNNVD-202012-694 // NVD: CVE-2020-25229

PROBLEMTYPE DATA

problemtype:CWE-798

Trust: 1.0

problemtype:CWE-321

Trust: 1.0

problemtype:Capture-replay Authentication bypass by (CWE-294) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2020-014381 // NVD: CVE-2020-25229

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202012-694

TYPE

trust management problem

Trust: 0.6

sources: CNNVD: CNNVD-202012-694

PATCH

title:SSA-480824url:https://cert-portal.siemens.com/productcert/pdf/ssa-480824.pdf

Trust: 0.8

title:Patch for Siemens LOGO! 8 BM static key replay attack vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/241918

Trust: 0.6

title:Siemens LOGO! 8 BM Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=137247

Trust: 0.6

sources: CNVD: CNVD-2020-70938 // JVNDB: JVNDB-2020-014381 // CNNVD: CNNVD-202012-694

EXTERNAL IDS

db:NVDid:CVE-2020-25229

Trust: 3.0

db:SIEMENSid:SSA-480824

Trust: 1.6

db:ICS CERTid:ICSA-20-343-10

Trust: 1.2

db:JVNid:JVNVU90453244

Trust: 0.8

db:JVNDBid:JVNDB-2020-014381

Trust: 0.8

db:CNVDid:CNVD-2020-70938

Trust: 0.6

db:CNNVDid:CNNVD-202012-694

Trust: 0.6

sources: CNVD: CNVD-2020-70938 // JVNDB: JVNDB-2020-014381 // CNNVD: CNNVD-202012-694 // NVD: CVE-2020-25229

REFERENCES

url:https://cert-portal.siemens.com/productcert/pdf/ssa-480824.pdf

Trust: 1.6

url:https://nvd.nist.gov/vuln/detail/cve-2020-25229

Trust: 1.4

url:https://us-cert.cisa.gov/ics/advisories/icsa-20-343-10

Trust: 1.2

url:https://jvn.jp/vu/jvnvu90453244/index.html

Trust: 0.8

sources: CNVD: CNVD-2020-70938 // JVNDB: JVNDB-2020-014381 // CNNVD: CNNVD-202012-694 // NVD: CVE-2020-25229

SOURCES

db:CNVDid:CNVD-2020-70938
db:JVNDBid:JVNDB-2020-014381
db:CNNVDid:CNNVD-202012-694
db:NVDid:CVE-2020-25229

LAST UPDATE DATE

2024-11-23T21:07:49.525000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2020-70938date:2020-12-12T00:00:00
db:JVNDBid:JVNDB-2020-014381date:2021-08-17T08:16:00
db:CNNVDid:CNNVD-202012-694date:2022-04-26T00:00:00
db:NVDid:CVE-2020-25229date:2024-11-21T05:17:42.660

SOURCES RELEASE DATE

db:CNVDid:CNVD-2020-70938date:2020-12-12T00:00:00
db:JVNDBid:JVNDB-2020-014381date:2021-08-17T00:00:00
db:CNNVDid:CNNVD-202012-694date:2020-12-08T00:00:00
db:NVDid:CVE-2020-25229date:2020-12-14T21:15:19.800