Vulnerability Monitor

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CVE-2021-35937

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.4, requiring local system access to exploit but requires specific conditions to be met without requiring user interaction . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 3 products from rpm, from redhat, from fedoraproject organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2022-08-25T20:15:09.243

Last Modified

2024-11-21T06:12:47.177

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.4 (MEDIUM)

Weaknesses

Type: Secondary
CWE-59
Type: Primary
CWE-367

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	rpm	rpm	< 4.18.0	Yes
Operating System	redhat	enterprise_linux	6.0	Yes
Operating System	redhat	enterprise_linux	7.0	Yes
Operating System	redhat	enterprise_linux	8.0	Yes
Operating System	redhat	enterprise_linux	9.0	Yes
Operating System	fedoraproject	fedora	34	Yes

References

https://access.redhat.com/security/cve/CVE-2021-35937 Vendor Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1964125 Issue Tracking, Patch, Vendor Advisory ([email protected])
https://rpm.org/wiki/Releases/4.18.0 Release Notes ([email protected])
https://security.gentoo.org/glsa/202210-22 Third Party Advisory ([email protected])
https://www.usenix.org/legacy/event/sec05/tech/full_papers/borisov/borisov.pdf Exploit, Technical Description, Third Party Advisory ([email protected])
https://access.redhat.com/security/cve/CVE-2021-35937 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1964125 Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://rpm.org/wiki/Releases/4.18.0 Release Notes (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202210-22 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.usenix.org/legacy/event/sec05/tech/full_papers/borisov/borisov.pdf Exploit, Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For rpm's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.