A race condition vulnerability was found in rpm. A local unprivileged user could use this flaw to bypass the checks that were introduced in response to CVE-2017-7500 and CVE-2017-7501, potentially gaining root privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
CVE-2021-35937
Score 6.4 from GitHub Security Advisory published 2022-08-26. NVD baseline CVSS 6.4; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.4
- EG Score
- 6.4(medium)
- EG Risk
- 33(Track)EG Risk 33/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity64% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 25%
- KEV
- Not listed
Published
August 25, 2022
Last Modified
November 21, 2024
References (10)
- secalert@redhathttps://access.redhat.com/security/cve/CVE-2021-35937
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=1964125
- secalert@redhathttps://rpm.org/wiki/Releases/4.18.0
- secalert@redhathttps://security.gentoo.org/glsa/202210-22
- secalert@redhathttps://www.usenix.org/legacy/event/sec05/tech/full_papers/borisov/borisov.pdf
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2021-35937
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1964125
- af854a3a-2127-422b-91ae-364da2661108https://rpm.org/wiki/Releases/4.18.0
- af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202210-22
- af854a3a-2127-422b-91ae-364da2661108https://www.usenix.org/legacy/event/sec05/tech/full_papers/borisov/borisov.pdf
Vendor Advisories for CVE-2021-35937(8)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2024:1477Red Hat Product SecurityMedium
Red Hat Security Advisory: Red Hat OpenShift for Windows Containers 8.1.2 security update
- RHSA-2024:1383Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.15.0 security, enhancement, & bug fix update
- RHSA-2024:0647Red Hat Product SecurityMedium
Red Hat Security Advisory: rpm security update
- RHSA-2024:0582Red Hat Product SecurityMedium
Red Hat Security Advisory: rpm security update
- RHSA-2024:0435Red Hat Product SecurityMedium
Red Hat Security Advisory: rpm security update
- RHSA-2024:0463Red Hat Product SecurityMedium
Red Hat Security Advisory: rpm security update
- RHSA-2024:0453Red Hat Product SecurityMedium
Red Hat Security Advisory: rpm security update
- RHSA-2024:0424Red Hat Product SecurityMedium
Red Hat Security Advisory: rpm security update
Patch Availability(8)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | openshift4-wincw/windows-machine-config-rhel9-operator:8.1.2-13 | 2024-03-25 | redhat |
| redhat | odf4/rook-ceph-rhel9-operator:v4.15.0-103 | 2024-03-19 | redhat |
| redhat | rpm-0:4.14.3-28.el8_9 | 2024-02-01 | redhat |
| redhat | rpm-0:4.14.3-28.el8_8 | 2024-01-30 | redhat |
| redhat | rpm-0:4.16.1.3-27.el9_3 | 2024-01-25 | redhat |
| redhat | rpm-0:4.16.1.3-24.el9_2 | 2024-01-25 | redhat |
| redhat | rpm-0:4.14.3-26.el8_6 | 2024-01-25 | redhat |
| redhat | rpm-0:4.16.1.3-14.el9_0.1 | 2024-01-25 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(4 across 4 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| rpm | 4.16.1.2+dfsg1-3 ... 6.0.1-1 (24 versions) | — | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| rpm | — | 4.18.0+dfsg-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| rpm | — | 4.18.0+dfsg-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| rpm | — | 4.18.0+dfsg-1 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(1)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 9× in last 7d / 33× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 155 total refreshes for this CVE.
- 2026-09-07 15:58 UTCEPSS rescore
- 2026-09-06 13:45 UTCEPSS rescore
- 2026-09-06 13:45 UTCEPSS rescore
- 2026-09-05 15:25 UTCEPSS rescore
- 2026-09-05 05:48 UTCOSV refresh
- 2026-09-04 13:57 UTCEPSS rescore
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- 2026-09-02 14:08 UTCEPSS rescore
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- 2026-08-30 19:14 UTCEPSS rescore
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- 2026-08-28 21:37 UTCEPSS rescore
- 2026-08-27 14:22 UTCEPSS rescore
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- 2026-08-25 13:46 UTCEPSS rescore
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- 2026-08-21 23:46 UTCEPSS rescore
- 2026-08-20 22:52 UTCEPSS rescore
- 2026-08-19 17:01 UTCEPSS rescore
- 2026-08-18 16:28 UTCOSV refresh
- 2026-08-18 13:45 UTCEPSS rescore
- 2026-08-17 13:44 UTCEPSS rescore
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- 2026-08-16 14:53 UTCEPSS rescore
- 2026-08-16 02:11 UTCEPSS rescore
- 2026-08-16 02:11 UTCEPSS rescore
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- 2026-08-13 21:57 UTCEPSS rescore
- 2026-08-12 13:48 UTCEPSS rescore
- 2026-08-11 13:38 UTCEPSS rescore
- 2026-08-09 13:44 UTCEPSS rescore
- 2026-08-08 16:33 UTCEPSS rescore
- 2026-08-07 16:24 UTCEPSS rescore
- 2026-08-06 13:43 UTCEPSS rescore
- 2026-08-05 19:14 UTCEPSS rescore
- 2026-08-04 15:06 UTCEPSS rescore
- 2026-08-04 10:34 UTCEPSS rescore
- 2026-08-03 12:27 UTCOSV refresh
- 2026-08-03 10:33 UTCEPSS rescore
- 2026-08-02 02:24 UTCEPSS rescore
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- 2026-08-01 04:13 UTCEPSS rescore
- 2026-07-30 16:25 UTCEPSS rescore
- 2026-07-30 01:28 UTCEPSS rescore
- 2026-07-28 15:33 UTCEPSS rescore
- 2026-07-26 14:52 UTCEPSS rescore
- 2026-07-26 14:52 UTCEPSS rescore
- 2026-07-25 14:15 UTCEPSS rescore
- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 02:02 UTCEG score recompute
- 2026-07-22 22:49 UTCEG score recompute
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-20 17:05 UTCEPSS rescore
- 2026-07-19 14:29 UTCEPSS rescore
- 2026-07-19 14:29 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-18 10:02 UTCEPSS rescore
- 2026-07-18 10:02 UTCEPSS rescore
- 2026-07-16 21:34 UTCOSV refresh
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-13 22:27 UTCEPSS rescore
- 2026-07-13 06:10 UTCEPSS rescore
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-09 19:07 UTCEPSS rescore
- 2026-07-07 13:43 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 02:21 UTCEPSS rescore
- 2026-07-05 02:28 UTCEPSS rescore
- 2026-07-05 02:28 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-01 15:04 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-28 20:02 UTCOSV refresh
- 2026-06-28 14:05 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
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- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
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- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-22 14:24 UTCEPSS rescore
Frequently asked(5)
What is CVE-2021-35937?
When was CVE-2021-35937 disclosed?
Is CVE-2021-35937 actively exploited?
What is the CVSS score of CVE-2021-35937?
How do I remediate CVE-2021-35937?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-35937
Is Your Infrastructure Affected by CVE-2021-35937?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.