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CVE-2020-0543
Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to…
Medium5.5EPSS 0.54%
- Published
- Updated
- Reserved
- Assigned by
- intel
Description
Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
Timeline
ID reserved
By intel
- 8 months later
· 8 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.54% · top 54% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
- Information Disclosure
- CWE-459 (opens in a new tab)All about CWE-459 and its CVEs
Affected products
Intel(R) Processors
- affected See provided reference
References (19)
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00320.html (opens in a new tab)x_refsource_MISCx_transferred
- USN-4385-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4388-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- openSUSE-SU-2020:0818 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-4392-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4393-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4389-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4387-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- FEDORA-2020-3364913ace (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2020-e8835a5f8e (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- USN-4390-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4391-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- FEDORA-2020-11ddbfbdf0 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- [oss-security] 20200714 Flatcar membership on the linux-distros list (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- openSUSE-SU-2020:0965 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2020:0985 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://cert-portal.siemens.com/productcert/pdf/ssa-534763.pdf (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://kc.mcafee.com/corporate/index?page=content&id=SB10318 (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2020-1afbe7ba2d (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_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)
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[](https://trackcve.app/cve/CVE-2020-0543)Record last updated .