BCM5820X: Out-of-bounds Read
CVE-2025-24311 is a high-severity out-of-bounds read vulnerability in BCM5820X from Broadcom, with a CVSS 3.1 base score of 8.4 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. There is no confirmed exploitation so far. EPSS estimates a 1.9% chance of exploitation within 30 days, higher than 80% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update ControlVault3 to 5.15.10.14 or a later version.
- Update ControlVault3 Plus to 6.2.26.36 or a later version.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Broadcom | BCM5820X | Not specified in the record | Not stated |
| Dell | ControlVault3 | before 5.15.10.14 | 5.15.10.14 |
| Dell | ControlVault3 Plus | before 6.2.26.36 | 6.2.26.36 |
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
- LocalThe attacker needs local access or must trick a user into running something.
- 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
- ChangedThe attack can reach beyond the vulnerable component into other systems.
- 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:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H. Scored by CNA (cisco.com).
Official description
An out-of-bounds read vulnerability exists in the cv_send_blockdata functionality of Dell ControlVault3 prior to 5.15.10.14 and Dell ControlVault3 Plus prior to 6.2.26.36. A specially crafted ControlVault API call can lead to an information leak. An attacker can issue an API call to trigger this vulnerability.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
How developers prevent this class of flaw
- Use a language that provides appropriate memory abstractions.
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
Other references
Other vulnerabilities in BCM5820X
- 8.8 High severity
- 7.3 High severity
- 7.3 High severity
- 7.3 High severity
- 7.3 High severity
- 8.8 High severity
Recent Out-of-bounds Read vulnerabilities
- 7.1 High severity
- 8.8 High severity
- 7.8 High severity
- 7.8 High severity
- 7.8 High severity
- 7.8 High severity
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