Zoom SDK's: Exposure of Resource to Wrong Sphere
CVE-2023-39214 is a high-severity exposure of resource to wrong sphere vulnerability in Zoom SDK's from Zoom Video Communications, with a CVSS 3.1 base score of 8.1 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. Affected Zoom SDK's versions: before 5.15.5. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.96% chance of exploitation within 30 days, higher than 62% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Meeting Software Development Kit to 5.15.5 or a later version.
- Update Rooms to 5.15.5 or a later version.
- Update Zoom to 5.15.5 or a later version.
- Read the advisory on explore.zoom.us for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Zoom Video Communications | Zoom SDK's | before 5.15.5 | Not stated |
| Zoom | Meeting Software Development Kit | before 5.15.5 | 5.15.5 |
| Zoom | Rooms | before 5.15.5 | 5.15.5 |
| Zoom | Zoom | before 5.15.5 | 5.15.5 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- NoneNothing can be modified.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 7.6 | High | CNA (zoom.us) |
| CVSS 3.1 | 8.1 | High | NVD |
Official description
Exposure of sensitive information in Zoom Client SDK's before 5.15.5 may allow an authenticated user to enable a denial of service via network access.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Exposure of Resource to Wrong Sphere
The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.
More Exposure of Resource to Wrong Sphere vulnerabilities (CWE-668)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Recent Exposure of Resource to Wrong Sphere vulnerabilities
- 7.5 High severity
- 7.3 High severity
- 7.5 High severity
- 7.8 High severity
- 7.5 High severity
- 7.5 High severity
Spotted an error? Tell us.