CVE-2020-0550

Improper data forwarding in some data cache for some Intel(R) Processors may allow an...

5.6 Medium

Improper data forwarding in some data cache for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. The list of affected products is provided in intel-sa-00330: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00330.html

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: High
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.33%Down 0.3 points since Apr 14, 2021

What each source reports

NVD Score used 5.6

Record: CVE-2020-0550
CVSS 3.1: 5.6 MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS 2.0: 1.9 LowAV:L/AC:M/Au:N/C:P/I:N/A:N
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-0550
Updated: 2026-11-02

EUVDEUVD-2020-2048 No score

Record: EUVD-2020-2048
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xw3h-h52h-wq24 5.6

Improper data forwarding in some data cache for some Intel(R) Processors may allow an...

Record: GHSA-xw3h-h52h-wq24
CVSS 3.1: 5.6 MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

OSVUBUNTU-CVE-2020-0550 5.6

Record: UBUNTU-CVE-2020-0550
CVSS 3.1: 5.6 MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Updated: 2026-11-02

Affected products

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Affected packages

Affected packages
Package	Affected	Fixed
`intel-microcode` Ubuntu:Pro:14.04:LTS	All versions, plus listed versions 1.20130906.1ubuntu21.20130906.1ubuntu32.20140122.12.20140430.1ubuntu12.20140624-t-1ubuntu2 Show 17 moreShow less 3.20180108.0~ubuntu14.04.23.20180108.0+really20170707ubuntu14.04.13.20180312.0~ubuntu14.04.13.20180425.1~ubuntu0.14.04.13.20180425.1~ubuntu0.14.04.23.20180807a.0ubuntu0.14.04.13.20190514.0ubuntu0.14.04.13.20190514.0ubuntu0.14.04.23.20190618.0ubuntu0.14.04.13.20191112-0ubuntu0.14.04.23.20191115.1ubuntu0.14.04.13.20191115.1ubuntu0.14.04.23.20200609.0ubuntu0.14.04.03.20200609.0ubuntu0.14.04.13.20201110.0ubuntu0.14.04.13.20201110.0ubuntu0.14.04.23.20210608.0ubuntu0.14.04.1+esm1	None known
`intel-microcode` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 3.20150121.13.20151106.13.20170707.1~ubuntu16.04.03.20180108.0~ubuntu16.04.23.20180108.0+really20170707ubuntu16.04.1 Show 28 moreShow less 3.20180312.0~ubuntu16.04.13.20180425.1~ubuntu0.16.04.13.20180425.1~ubuntu0.16.04.23.20180807a.0ubuntu0.16.04.13.20190514.0ubuntu0.16.04.13.20190514.0ubuntu0.16.04.23.20190618.0ubuntu0.16.04.13.20191112-0ubuntu0.16.04.23.20191115.1ubuntu0.16.04.13.20191115.1ubuntu0.16.04.23.20200609.0ubuntu0.16.04.03.20200609.0ubuntu0.16.04.13.20201110.0ubuntu0.16.04.13.20201110.0ubuntu0.16.04.23.20210216.0ubuntu0.16.04.13.20210608.0ubuntu0.16.04.1+esm13.20220510.0ubuntu0.16.04.1+esm13.20230214.0ubuntu0.16.04.1+esm13.20230808.0ubuntu0.16.04.1+esm13.20231114.0ubuntu0.16.04.1+esm13.20240514.0ubuntu0.16.04.1+esm13.20240813.0ubuntu0.16.04.1+esm23.20240910.0ubuntu0.16.04.1+esm13.20241112.0ubuntu0.16.04.1+esm13.20250211.0ubuntu0.16.04.1+esm13.20250512.0ubuntu0.16.04.1+esm13.20250812.0ubuntu0.16.04.1+esm13.20260210.0ubuntu0.16.04.1+esm1	None known
`intel-microcode` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 3.20170707.13.20171117.13.20180108.13.20180108.1+really20171117.13.20180312.0~ubuntu18.04.1 Show 28 moreShow less 3.20180425.1~ubuntu0.18.04.13.20180425.1~ubuntu0.18.04.23.20180807a.0ubuntu0.18.04.13.20190514.0ubuntu0.18.04.23.20190514.0ubuntu0.18.04.33.20190618.0ubuntu0.18.04.13.20191112-0ubuntu0.18.04.23.20191115.1ubuntu0.18.04.13.20191115.1ubuntu0.18.04.23.20200609.0ubuntu0.18.04.03.20200609.0ubuntu0.18.04.13.20201110.0ubuntu0.18.04.13.20201110.0ubuntu0.18.04.23.20210216.0ubuntu0.18.04.13.20210608.0ubuntu0.18.04.13.20220510.0ubuntu0.18.04.13.20220809.0ubuntu0.18.04.13.20230214.0ubuntu0.18.04.13.20230808.0ubuntu0.18.04.1+esm13.20231114.0ubuntu0.18.04.1+esm13.20240514.0ubuntu0.18.04.1+esm13.20240813.0ubuntu0.18.04.1+esm23.20240910.0ubuntu0.18.04.1+esm13.20241112.0ubuntu0.18.04.1+esm13.20250211.0ubuntu0.18.04.1+esm13.20250512.0ubuntu0.18.04.1+esm13.20250812.0ubuntu0.18.04.1+esm13.20260210.0ubuntu0.18.04.1+esm1	None known
`intel-microcode` Ubuntu:Pro:20.04:LTS	All versions, plus listed versions 3.20190918.1ubuntu13.20191115.1ubuntu13.20191115.1ubuntu23.20191115.1ubuntu33.20200609.0ubuntu0.20.04.0 Show 19 moreShow less 3.20200609.0ubuntu0.20.04.13.20200609.0ubuntu0.20.04.23.20201110.0ubuntu0.20.04.13.20201110.0ubuntu0.20.04.23.20210216.0ubuntu0.20.04.13.20210608.0ubuntu0.20.04.13.20220510.0ubuntu0.20.04.13.20220809.0ubuntu0.20.04.13.20230214.0ubuntu0.20.04.13.20230808.0ubuntu0.20.04.13.20231114.0ubuntu0.20.04.13.20240514.0ubuntu0.20.04.13.20240813.0ubuntu0.20.04.23.20240910.0ubuntu0.20.04.13.20241112.0ubuntu0.20.04.13.20250211.0ubuntu0.20.04.13.20250512.0ubuntu0.20.04.13.20250812.0ubuntu0.20.04.1+esm13.20260210.0ubuntu0.20.04.1+esm1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-0550 is a medium vulnerability (CVSS 5.6) in Intel Celeron 1000m, published March 10, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.

References

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