Details of VAR-202007-1239

ID

VAR-202007-1239

CVE

CVE-2020-7593

TITLE

LOGO! 8 BM Classic buffer overflow vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2020-008613

DESCRIPTION

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (V1.81.01 - V1.81.03), LOGO! 8 BM (incl. SIPLUS variants) (V1.82.01), LOGO! 8 BM (incl. SIPLUS variants) (V1.82.02). A buffer overflow vulnerability exists in the Web Server functionality of the device. A remote unauthenticated attacker could send a specially crafted HTTP request to cause a memory corruption, potentially resulting in remote code execution. LOGO! 8 BM (SIPLUS variants Including ) Exists in a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be put into a state. Siemens LOGO! 8 BM is a programmable logic controller of Siemens (Siemens) in Germany

Trust: 2.16

sources: NVD: CVE-2020-7593 // JVNDB: JVNDB-2020-008613 // CNVD: CNVD-2020-40864

IOT TAXONOMY

category:

['ICS', 'Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2020-40864

AFFECTED PRODUCTS

vendor:	siemens	model:	logo\! 8 bm	scope:	lte	version:	1.81.03	Trust: 1.0
vendor:	siemens	model:	logo\! 8 bm	scope:	eq	version:	1.82.01	Trust: 1.0
vendor:	siemens	model:	logo\! 8 bm	scope:	eq	version:	1.82.02	Trust: 1.0
vendor:	siemens	model:	logo\! 8 bm	scope:	gte	version:	1.81.01	Trust: 1.0
vendor:	siemens	model:	logo! 8 bm	scope:	eq	version:	1.81.01 から 1.81.03	Trust: 0.8
vendor:	siemens	model:	logo! 8 bm	scope:	eq	version:	1.82.01	Trust: 0.8
vendor:	siemens	model:	logo! 8 bm	scope:	eq	version:	1.82.02	Trust: 0.8
vendor:	siemens	model:	logo! bm	scope:	eq	version:	8>=v1.81.01,<=v1.81.03	Trust: 0.6
vendor:	siemens	model:	logo! bm	scope:	eq	version:	8v1.82.01	Trust: 0.6
vendor:	siemens	model:	logo! bm	scope:	eq	version:	8v1.82.02	Trust: 0.6

sources: CNVD: CNVD-2020-40864 // JVNDB: JVNDB-2020-008613 // NVD: CVE-2020-7593

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-7593
value:	CRITICAL
Trust: 1.0
NVD:	JVNDB-2020-008613
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2020-40864
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202007-848
value:	CRITICAL
Trust: 0.6

nvd@nist.gov:	CVE-2020-7593
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.0
NVD:	JVNDB-2020-008613
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8
CNVD:	CNVD-2020-40864
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-2020-7593
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	JVNDB-2020-008613
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2020-40864 // JVNDB: JVNDB-2020-008613 // CNNVD: CNNVD-202007-848 // NVD: CVE-2020-7593

PROBLEMTYPE DATA

problemtype:

CWE-120

Trust: 1.8

sources: JVNDB: JVNDB-2020-008613 // NVD: CVE-2020-7593

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202007-848

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202007-848

CONFIGURATIONS

sources: JVNDB: JVNDB-2020-008613

PATCH

title:	SSA-573753	url:	https://cert-portal.siemens.com/productcert/pdf/ssa-573753.pdf	Trust: 0.8
title:	Patch for Siemens LOGO! 8 BM buffer overflow vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/226105	Trust: 0.6
title:	Siemens LOGO! 8 BM Buffer error vulnerability fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=124460	Trust: 0.6

sources: CNVD: CNVD-2020-40864 // JVNDB: JVNDB-2020-008613 // CNNVD: CNNVD-202007-848

EXTERNAL IDS

db:	NVD	id:	CVE-2020-7593	Trust: 3.0
db:	SIEMENS	id:	SSA-573753	Trust: 2.2
db:	TALOS	id:	TALOS-2020-1069	Trust: 1.6
db:	ICS CERT	id:	ICSA-20-196-08	Trust: 1.4
db:	JVN	id:	JVNVU97872642	Trust: 0.8
db:	JVNDB	id:	JVNDB-2020-008613	Trust: 0.8
db:	CNVD	id:	CNVD-2020-40864	Trust: 0.6
db:	AUSCERT	id:	ESB-2020.2399	Trust: 0.6
db:	CNNVD	id:	CNNVD-202007-848	Trust: 0.6

sources: CNVD: CNVD-2020-40864 // JVNDB: JVNDB-2020-008613 // CNNVD: CNNVD-202007-848 // NVD: CVE-2020-7593

REFERENCES

url:	https://cert-portal.siemens.com/productcert/pdf/ssa-573753.pdf	Trust: 2.2
url:	https://us-cert.cisa.gov/ics/advisories/icsa-20-196-08	Trust: 1.4
url:	https://nvd.nist.gov/vuln/detail/cve-2020-7593	Trust: 1.4
url:	https://www.talosintelligence.com/vulnerability_reports/talos-2020-1069	Trust: 1.0
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-7593	Trust: 0.8
url:	https://jvn.jp/vu/jvnvu97872642/	Trust: 0.8
url:	https://talosintelligence.com/vulnerability_reports/talos-2020-1069	Trust: 0.6
url:	https://www.auscert.org.au/bulletins/esb-2020.2399/	Trust: 0.6

sources: CNVD: CNVD-2020-40864 // JVNDB: JVNDB-2020-008613 // CNNVD: CNNVD-202007-848 // NVD: CVE-2020-7593

CREDITS

Inc.,Discovered by Alexander Perez-Palma and Dave McDaniel of Cisco Talos and Emanuel Almeida of Cisco Systems

Trust: 0.6

sources: CNNVD: CNNVD-202007-848

SOURCES

db:	CNVD	id:	CNVD-2020-40864
db:	JVNDB	id:	JVNDB-2020-008613
db:	CNNVD	id:	CNNVD-202007-848
db:	NVD	id:	CVE-2020-7593

LAST UPDATE DATE

2024-11-23T21:35:29.570000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2020-40864	date:	2020-07-19T00:00:00
db:	JVNDB	id:	JVNDB-2020-008613	date:	2020-09-28T00:00:00
db:	CNNVD	id:	CNNVD-202007-848	date:	2021-01-05T00:00:00
db:	NVD	id:	CVE-2020-7593	date:	2024-11-21T05:37:26.210

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2020-40864	date:	2020-07-19T00:00:00
db:	JVNDB	id:	JVNDB-2020-008613	date:	2020-09-17T00:00:00
db:	CNNVD	id:	CNNVD-202007-848	date:	2020-07-14T00:00:00
db:	NVD	id:	CVE-2020-7593	date:	2020-07-14T14:15:19.150