Multiple vulnerabilities in Cisco Webex Meetings



Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2020-3412
CVE-2020-3413
CVE-2020-3472
CWE-ID CWE-284
CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Cisco Webex Meetings
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU34073

Risk: Low

CVSSv4.0: 5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-3412

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions that allows creation of meeting templates that belong to other users. A remote authenticated user can send a specially crafted request and create templates for other users.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Webex Meetings: 39.5.17 - 40.6.2

CPE2.3 External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-smtcreate-YmuD5...
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu45984


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper access control

EUVDB-ID: #VU34074

Risk: Low

CVSSv4.0: 5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-3413

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions that allows deletion of meeting templates that belong to other users in organisation. A remote authenticated user can send a specially crafted request and delete templates that belong to other users.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Webex Meetings: 39.5.17 - 40.6.2

CPE2.3 External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-smtdelete-gJDurOgR
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu45984


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Information disclosure

EUVDB-ID: #VU34075

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-3472

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to improper access restrictions that allow a remote authenticated users to obtain details of users on another Webex site, including user names and email addresses.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Webex Meetings: 39.5.17 - 40.6.2

CPE2.3 External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-mAkmV4qc
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu40725


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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