Deserialization of Untrusted Data in Cisco Webex Meetings
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-20763 |
| CWE-ID | CWE-502 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Cisco Webex Meetings Server applications / Conferencing, Collaboration and VoIP solutions |
| Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Deserialization of Untrusted Data
EUVDB-ID: #VU61947
Risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-20763
CWE-ID:
CWE-502 - Deserialization of Untrusted Data
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to inject arbitrary Java code.
The vulnerability exists due to improper deserialization of Java code within login requests. A remote user can inject arbitrary Java code and take arbitrary actions within the Cisco Webex Meetings application.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco Webex Meetings: 42.2.0.21338
External linkshttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-java-MVX6crH9
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.
