Full Report
Cisco has released security updates for a high-severity Webex vulnerability that allows unauthenticated attackers to gain client-side remote code execution using malicious meeting invite links. [...]
Analysis Summary
# Vulnerability: Cisco Webex App Remote Code Execution via Meeting Links
## CVE Details
- CVE ID: Not explicitly provided for the Webex RCE vulnerability in the summary text, though multiple other CVEs are mentioned.
- CVSS Score: Not explicitly provided.
- CWE: Not explicitly provided.
## Affected Systems
- Products: Cisco Webex App (Desktop Client)
- Versions: Versions 44.5 and earlier.
- Configurations: Impacts installations regardless of operating system or system configuration.
## Vulnerability Description
The vulnerability allows an attacker to gain arbitrary code execution on a targeted user's system by convincing the user to click a specially crafted Webex meeting invite link and subsequently download arbitrary files. Successful exploitation grants the attacker the privileges of the targeted user.
## Exploitation
- Status: Implied that it is a serious vulnerability requiring immediate patching, but the text does not explicitly state if this specific Webex RCE is currently exploited in the wild (unlike CVE-2024-20439). No PoC availability is mentioned for this specific flaw.
- Complexity: Assumed to require user interaction (clicking a link and downloading a file).
- Attack Vector: Network (via crafted link).
## Impact
- Confidentiality: High (due to code execution capability).
- Integrity: High (due to code execution capability).
- Availability: High (due to code execution capability).
## Remediation
### Patches
The vulnerability is fixed in the following releases:
- **Cisco Webex App Release 44.6:** fixed in version **44.6.2.30589**.
- Users on **Release 44.7** must migrate to a fixed release (e.g., 44.6.2.30589 or higher).
- Releases **44.8 and later** are not vulnerable.
### Workarounds
- No workarounds are available. Software updates are required.
## Detection
- Detection methods were not specified in the context provided for this specific vulnerability.
## References
- Vendor advisories were not explicitly linked for this specific Webex RCE flaw, though general Cisco advisory links are present in the original text relating to other CVEs. (Links are defanged per instructions).