SSRF in Apple Iphone OS
CVE-2021-34425
The Zoom Client for Meetings before version 5.7.3 (for Android, iOS, Linux, macOS, and Windows) contain a server side request forgery vulnerability in the chat\'s "link preview" functionality. In versions prior to 5.7.3, if a user were to enable the chat\'s "link preview" feature, a malicious actor could trick the user into potentially sending arbitrary HTTP GET requests to URLs that the actor cannot reach directly.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.008 (55.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Apple Iphone OS
- Apple macOS
- Google Android
- Linux Kernel
- Microsoft Windows
- Zoom Meetings
- Zoom Video Communications Inc Client For Meetings Android — versions unspecified
- Zoom Video Communications Inc Client For Meetings iOS — versions unspecified
- Zoom Video Communications Inc Client For Meetings Linux — versions unspecified
- Zoom Video Communications Inc Client For Meetings macOS — versions unspecified
Weakness classification (CWE)
References
- explore.zoom.us/en/trust/security/security-bulletin (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-34425?
- CVE-2021-34425 is a medium-severity vulnerability in Apple Iphone OS, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.7/10. Published 2021-12-14.
- How severe is CVE-2021-34425?
- Medium severity. CVSS v3 base score is 4.7 out of 10.