ID

VAR-202101-1034


CVE

CVE-2021-1311


TITLE

Cisco Webex Meetings  and  Cisco Webex Meetings Server  Vulnerability regarding improper restriction of excessive authentication attempts in

Trust: 0.8

sources: JVNDB: JVNDB-2021-002754

DESCRIPTION

A vulnerability in the reclaim host role feature of Cisco Webex Meetings and Cisco Webex Meetings Server could allow an authenticated, remote attacker to take over the host role during a meeting. This vulnerability is due to a lack of protection against brute forcing of the host key. An attacker could exploit this vulnerability by sending crafted requests to a vulnerable Cisco Webex Meetings or Webex Meetings Server site. A successful exploit would require the attacker to have access to join a Webex meeting, including applicable meeting join links and passwords. A successful exploit could allow the attacker to acquire or take over the host role for a meeting. Cisco Webex Meetings is a set of video conferencing solutions of Cisco (Cisco)

Trust: 1.71

sources: NVD: CVE-2021-1311 // JVNDB: JVNDB-2021-002754 // VULHUB: VHN-374365

AFFECTED PRODUCTS

vendor:ciscomodel:webex meetingsscope:ltversion:40.12.0

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vendor:ciscomodel:webex meetings serverscope:ltversion:3.0

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vendor:ciscomodel:webex meetings serverscope:eqversion:4.0

Trust: 1.0

vendor:ciscomodel:webex meetings serverscope:eqversion:3.0

Trust: 1.0

vendor:シスコシステムズmodel:cisco webex meetings serverscope: - version: -

Trust: 0.8

vendor:シスコシステムズmodel:cisco webex meetingsscope: - version: -

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sources: JVNDB: JVNDB-2021-002754 // NVD: CVE-2021-1311

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-1311
value: MEDIUM

Trust: 1.0

ykramarz@cisco.com: CVE-2021-1311
value: MEDIUM

Trust: 1.0

NVD: CVE-2021-1311
value: MEDIUM

Trust: 0.8

CNNVD: CNNVD-202101-949
value: MEDIUM

Trust: 0.6

VULHUB: VHN-374365
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-1311
severity: MEDIUM
baseScore: 5.5
vectorString: AV:N/AC:L/AU:S/C:N/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.0
impactScore: 4.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-374365
severity: MEDIUM
baseScore: 5.5
vectorString: AV:N/AC:L/AU:S/C:N/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.0
impactScore: 4.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-1311
baseSeverity: MEDIUM
baseScore: 5.4
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: LOW
availabilityImpact: LOW
exploitabilityScore: 2.8
impactScore: 2.5
version: 3.1

Trust: 2.0

NVD: CVE-2021-1311
baseSeverity: MEDIUM
baseScore: 5.4
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: LOW
availabilityImpact: LOW
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-374365 // JVNDB: JVNDB-2021-002754 // CNNVD: CNNVD-202101-949 // NVD: CVE-2021-1311 // NVD: CVE-2021-1311

PROBLEMTYPE DATA

problemtype:CWE-307

Trust: 1.1

problemtype:Inappropriate restriction of excessive authentication attempts (CWE-307) [NVD Evaluation ]

Trust: 0.8

sources: VULHUB: VHN-374365 // JVNDB: JVNDB-2021-002754 // NVD: CVE-2021-1311

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202101-949

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202101-949

PATCH

title:cisco-sa-webex-brutef-hostkey-FWRMxVFurl:https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-brutef-hostkey-FWRMxVF

Trust: 0.8

title:Cisco Webex Meetings Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=139055

Trust: 0.6

sources: JVNDB: JVNDB-2021-002754 // CNNVD: CNNVD-202101-949

EXTERNAL IDS

db:NVDid:CVE-2021-1311

Trust: 2.5

db:JVNDBid:JVNDB-2021-002754

Trust: 0.8

db:AUSCERTid:ESB-2021.0136

Trust: 0.6

db:CNNVDid:CNNVD-202101-949

Trust: 0.6

db:VULHUBid:VHN-374365

Trust: 0.1

sources: VULHUB: VHN-374365 // JVNDB: JVNDB-2021-002754 // CNNVD: CNNVD-202101-949 // NVD: CVE-2021-1311

REFERENCES

url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-webex-brutef-hostkey-fwrmxvf

Trust: 2.3

url:https://nvd.nist.gov/vuln/detail/cve-2021-1311

Trust: 1.4

url:https://www.auscert.org.au/bulletins/esb-2021.0136/

Trust: 0.6

sources: VULHUB: VHN-374365 // JVNDB: JVNDB-2021-002754 // CNNVD: CNNVD-202101-949 // NVD: CVE-2021-1311

SOURCES

db:VULHUBid:VHN-374365
db:JVNDBid:JVNDB-2021-002754
db:CNNVDid:CNNVD-202101-949
db:NVDid:CVE-2021-1311

LAST UPDATE DATE

2024-11-23T23:07:40.818000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-374365date:2021-01-20T00:00:00
db:JVNDBid:JVNDB-2021-002754date:2021-09-30T06:29:00
db:CNNVDid:CNNVD-202101-949date:2021-01-21T00:00:00
db:NVDid:CVE-2021-1311date:2024-11-21T05:44:03.993

SOURCES RELEASE DATE

db:VULHUBid:VHN-374365date:2021-01-13T00:00:00
db:JVNDBid:JVNDB-2021-002754date:2021-09-30T00:00:00
db:CNNVDid:CNNVD-202101-949date:2021-01-13T00:00:00
db:NVDid:CVE-2021-1311date:2021-01-13T22:15:21.630