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CVE-2023-6640
Silicon Labs PC Controller v5.54.0 and Earlier Denial of Service Vulnerability
Medium6.5EPSS 0.27%
- Published
- Updated
- Reserved
- Assigned by
- Silabs
Description
Malformed S2 Nonce Get Command Class packets can be sent to crash PC Controller v5.54.0 and earlier.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| SilabsCNA (assigner) | 3.1 | Medium6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Analyzed | 3.1 | Medium6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.27% · top 81% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
- affected ≤ 5.54.0
References (1)
- https://community.silabs.com/068Vm000001HdNm (opens in a new tab)vendor-advisorypermissions-requiredx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-6640)Record last updated .