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ID

VAR-202108-0721


CVE

CVE-2021-25659


TITLE

Automation License Manager  Resource exhaustion vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2021-010198

DESCRIPTION

A vulnerability has been identified in Automation License Manager 5 (All versions), Automation License Manager 6 (All versions < V6.0 SP9 Update 2). Sending specially crafted packets to port 4410/tcp of an affected system could lead to extensive memory being consumed and as such could cause a denial-of-service preventing legitimate users from using the system. Automation License Manager Exists in a resource exhaustion vulnerability.Service operation interruption (DoS) It may be in a state. An attacker can exploit the vulnerability to cause a denial of service and prevent legitimate users from using the system. Pillow is a Python-based image processing library. There is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements

Trust: 2.88

sources: NVD: CVE-2021-25659 // JVNDB: JVNDB-2021-010198 // CNVD: CNVD-2021-61126 // CNNVD: CNNVD-202104-975 // VULHUB: VHN-384486 // VULMON: CVE-2021-25659

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-61126

AFFECTED PRODUCTS

vendor:siemensmodel:automation license managerscope:gteversion:5.0.0

Trust: 1.0

vendor:siemensmodel:automation license managerscope:ltversion:6.0.9

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vendor:シーメンスmodel:automation license managerscope:eqversion: -

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vendor:シーメンスmodel:automation license managerscope:eqversion:6.0 sp9 update 2

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vendor:シーメンスmodel:automation license managerscope:eqversion:5

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vendor:siemensmodel:automation license managerscope:eqversion:5

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vendor:siemensmodel:automation license manager sp9 updatescope:eqversion:6<v6.02

Trust: 0.6

sources: CNVD: CNVD-2021-61126 // JVNDB: JVNDB-2021-010198 // NVD: CVE-2021-25659

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-25659
value: HIGH

Trust: 1.0

NVD: CVE-2021-25659
value: HIGH

Trust: 0.8

CNVD: CNVD-2021-61126
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202104-975
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202108-957
value: HIGH

Trust: 0.6

VULHUB: VHN-384486
value: MEDIUM

Trust: 0.1

VULMON: CVE-2021-25659
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-25659
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: 1.1

NVD: CVE-2021-25659
severity: MEDIUM
baseScore: 4.3
vectorString: AV:N/AC:M/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

CNVD: CNVD-2021-61126
severity: MEDIUM
baseScore: 5.4
vectorString: AV:N/AC:H/AU:N/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: HIGH
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 4.9
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

VULHUB: VHN-384486
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

nvd@nist.gov: CVE-2021-25659
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

NVD: CVE-2021-25659
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: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2021-61126 // VULHUB: VHN-384486 // VULMON: CVE-2021-25659 // JVNDB: JVNDB-2021-010198 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202108-957 // NVD: CVE-2021-25659

PROBLEMTYPE DATA

problemtype:CWE-400

Trust: 1.1

problemtype:Resource exhaustion (CWE-400) [NVD evaluation ]

Trust: 0.8

sources: VULHUB: VHN-384486 // JVNDB: JVNDB-2021-010198 // NVD: CVE-2021-25659

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202108-957

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-975

PATCH

title:SSA-158827url:https://cert-portal.siemens.com/productcert/pdf/ssa-158827.pdf

Trust: 0.8

title:Patch for Siemens Automation License Manager Denial of Service Vulnerability (CNVD-2021-61126)url:https://www.cnvd.org.cn/patchInfo/show/285431

Trust: 0.6

title:Siemens Automation License Manager Remediation of resource management error vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=159351

Trust: 0.6

title:Siemens Security Advisories: Siemens Security Advisoryurl:https://vulmon.com/vendoradvisory?qidtp=siemens_security_advisories&qid=947e5af35a287fb7f7229db1562482d5

Trust: 0.1

sources: CNVD: CNVD-2021-61126 // VULMON: CVE-2021-25659 // JVNDB: JVNDB-2021-010198 // CNNVD: CNNVD-202108-957

EXTERNAL IDS

db:NVDid:CVE-2021-25659

Trust: 4.0

db:SIEMENSid:SSA-158827

Trust: 2.4

db:ICS CERTid:ICSA-21-222-02

Trust: 1.4

db:JVNid:JVNVU99791395

Trust: 0.8

db:JVNDBid:JVNDB-2021-010198

Trust: 0.8

db:CNVDid:CNVD-2021-61126

Trust: 0.6

db:CS-HELPid:SB2021041363

Trust: 0.6

db:CNNVDid:CNNVD-202104-975

Trust: 0.6

db:AUSCERTid:ESB-2021.2701

Trust: 0.6

db:CS-HELPid:SB2021081105

Trust: 0.6

db:CNNVDid:CNNVD-202108-957

Trust: 0.6

db:VULHUBid:VHN-384486

Trust: 0.1

db:VULMONid:CVE-2021-25659

Trust: 0.1

sources: CNVD: CNVD-2021-61126 // VULHUB: VHN-384486 // VULMON: CVE-2021-25659 // JVNDB: JVNDB-2021-010198 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202108-957 // NVD: CVE-2021-25659

REFERENCES

url:https://cert-portal.siemens.com/productcert/pdf/ssa-158827.pdf

Trust: 2.4

url:https://jvn.jp/vu/jvnvu99791395/

Trust: 0.8

url:https://nvd.nist.gov/vuln/detail/cve-2021-25659

Trust: 0.8

url:https://www.cisa.gov/uscert/ics/advisories/icsa-21-222-02

Trust: 0.8

url:https://www.cybersecurity-help.cz/vdb/sb2021041363

Trust: 0.6

url:https://us-cert.cisa.gov/ics/advisories/icsa-21-222-02

Trust: 0.6

url:https://www.cybersecurity-help.cz/vdb/sb2021081105

Trust: 0.6

url:https://www.auscert.org.au/bulletins/esb-2021.2701

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/400.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

url:https://cert-portal.siemens.com/productcert/txt/ssa-158827.txt

Trust: 0.1

sources: CNVD: CNVD-2021-61126 // VULHUB: VHN-384486 // VULMON: CVE-2021-25659 // JVNDB: JVNDB-2021-010198 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202108-957 // NVD: CVE-2021-25659

CREDITS

Siemens reported this vulnerability to CISA.

Trust: 0.6

sources: CNNVD: CNNVD-202108-957

SOURCES

db:CNVDid:CNVD-2021-61126
db:VULHUBid:VHN-384486
db:VULMONid:CVE-2021-25659
db:JVNDBid:JVNDB-2021-010198
db:CNNVDid:CNNVD-202104-975
db:CNNVDid:CNNVD-202108-957
db:NVDid:CVE-2021-25659

LAST UPDATE DATE

2024-08-14T12:45:54.471000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-61126date:2022-01-18T00:00:00
db:VULHUBid:VHN-384486date:2021-08-18T00:00:00
db:VULMONid:CVE-2021-25659date:2021-08-18T00:00:00
db:JVNDBid:JVNDB-2021-010198date:2022-06-24T02:36:00
db:CNNVDid:CNNVD-202104-975date:2021-04-14T00:00:00
db:CNNVDid:CNNVD-202108-957date:2021-08-19T00:00:00
db:NVDid:CVE-2021-25659date:2021-08-18T14:05:13.530

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-61126date:2021-08-11T00:00:00
db:VULHUBid:VHN-384486date:2021-08-10T00:00:00
db:VULMONid:CVE-2021-25659date:2021-08-10T00:00:00
db:JVNDBid:JVNDB-2021-010198date:2022-06-24T00:00:00
db:CNNVDid:CNNVD-202104-975date:2021-04-13T00:00:00
db:CNNVDid:CNNVD-202108-957date:2021-08-10T00:00:00
db:NVDid:CVE-2021-25659date:2021-08-10T11:15:08.180