CVE catalog
CVE-2021-33117
intel-microcode: CVE-2021-33117
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.32% · Oct 25, 2026
Improper access control for some 3rd Generation Intel(R) Xeon(R) Scalable Processors before BIOS version MR7, may allow a local attacker to potentially enable information disclosure via local access.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | intel-microcode | sid | 3.20260227.1 | fixed |
| Debian | intel-microcode | forky | 3.20260227.1 | fixed |
| Debian | intel-microcode | trixie | 3.20251111.1~deb13u1 | fixed |
| Debian | intel-microcode | trixie-security | 3.20250812.1~deb13u1 | fixed |
| Debian | intel-microcode | bookworm | 3.20251111.1~deb12u1 | fixed |
| Debian | intel-microcode | bookworm-security | 3.20250812.1~deb12u1 | fixed |
| Ubuntu | intel-microcode | pro | 3.20150121.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20151106.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20170707.1~ubuntu16.04.0 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20180108.0~ubuntu16.04.2 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20180108.0+really20170707ubuntu16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20180312.0~ubuntu16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20180425.1~ubuntu0.16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20180425.1~ubuntu0.16.04.2 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20180807a.0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20190514.0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20190514.0ubuntu0.16.04.2 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20190618.0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20191112-0ubuntu0.16.04.2 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20191115.1ubuntu0.16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20191115.1ubuntu0.16.04.2 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20200609.0ubuntu0.16.04.0 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20200609.0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20201110.0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20201110.0ubuntu0.16.04.2 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20210216.0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20210608.0ubuntu0.16.04.1+esm1 | vulnerable |
| Ubuntu | intel-microcode | pro | 3.20220510.0ubuntu0.16.04.1+esm1 | fixed |
| Ubuntu | intel-microcode | 18.04 | 3.20170707.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20171117.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20180108.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20180108.1+really20171117.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20180312.0~ubuntu18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20180425.1~ubuntu0.18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20180425.1~ubuntu0.18.04.2 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20180807a.0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20190514.0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20190514.0ubuntu0.18.04.3 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20190618.0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20191112-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20191115.1ubuntu0.18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20191115.1ubuntu0.18.04.2 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20200609.0ubuntu0.18.04.0 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20200609.0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20201110.0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20201110.0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20210216.0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20210608.0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | intel-microcode | 18.04 | 3.20220510.0ubuntu0.18.04.1 | fixed |
| Ubuntu | intel-microcode | 20.04 | 3.20190918.1ubuntu1 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20191115.1ubuntu1 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20191115.1ubuntu2 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20191115.1ubuntu3 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20200609.0ubuntu0.20.04.0 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20200609.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20200609.0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20201110.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20201110.0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20210216.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20210608.0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | intel-microcode | 20.04 | 3.20220510.0ubuntu0.20.04.1 | fixed |
| Ubuntu | intel-microcode | 22.04 | 3.20210608.2ubuntu1 | vulnerable |
| Ubuntu | intel-microcode | 22.04 | 3.20220510.0ubuntu0.22.04.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | intel-microcode | source | sid | 3.20220207.1 | not yet assigned | Not reported | Not reported |
| Debian | intel-microcode | source | forky | 3.20220207.1 | not yet assigned | Not reported | Not reported |
| Debian | intel-microcode | source | trixie | 3.20220207.1 | not yet assigned | Not reported | Not reported |
| Debian | intel-microcode | source | bookworm | 3.20220207.1 | not yet assigned | Not reported | Not reported |
| Ubuntu | intel-microcode | deb | pro | 3.20220510.0ubuntu0.16.04.1+esm1 | Not reported | UBUNTU-CVE-2021-33117 | Not reported |
| Ubuntu | intel-microcode | deb | 18.04 | 3.20220510.0ubuntu0.18.04.1 | Not reported | UBUNTU-CVE-2021-33117 | Not reported |
| Ubuntu | intel-microcode | deb | 20.04 | 3.20220510.0ubuntu0.20.04.1 | Not reported | UBUNTU-CVE-2021-33117 | Not reported |
| Ubuntu | intel-microcode | deb | 22.04 | 3.20220510.0ubuntu0.22.04.1 | Not reported | UBUNTU-CVE-2021-33117 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [intel-microcode]Fixed
Details (1)
3.20251111.1~deb12u1· amd64 · bookwormFixed · Fixed:
3.20220207.1dsa · intel-microcode · debian · bookworm; dsa · intel-microcode · debian · 12
[Debian 13 (Trixie)]
- [intel-microcode]Fixed
Details (1)
3.20251111.1~deb13u1· amd64 · trixieFixed · Fixed:
3.20220207.1dsa · intel-microcode · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-33117]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-33117]
- [https://security-tracker.debian.org/tracker/CVE-2021-33117]
- [https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-0073.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]