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CVE-2023-41915

20
FAUCET Score

CVE-2023-41915 is a high-severity race condition vulnerability in OpenPMIx versions before 4.2.6 and 5.0.x before 5.0.1, affecting various Debian and Fedora distributions. This flaw allows unauthenticated attackers to gain ownership of arbitrary files when library code executes with root privileges. With a CVSS score of 8.1, it presents a significant risk due to its network-based attack vector and high impact on confidentiality, integrity, and availability. Currently, there is no public exploit code available, nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.2.6CPE matchmatch criteria
cpe:2.3:a:openpmix:openpmix:*:*:*:*:*:*:*:*
5.0.0CPE matchmatch criteria
cpe:2.3:a:openpmix:openpmix:5.0.0:*:*:*:*:*:*:*
37CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
38CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
39CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.12%
Probability of exploitation in next 30 days
EPSS Percentile
62.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0112 is in the 25th percentile among its peer group of 8,918 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

microsoftpatch availablevia msrc
Product: 18312-16823Fixed in: 4.1.3-1
microsoftpatch availablevia msrc
Product: cbl2 pmix 4.1.3-1 on CBL Mariner 2.0Fixed in: 4.1.3-1
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: pmix-0:2.2.5-3.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: pmix-0:3.2.3-5.el9
View patch

Vendor Advisories (2)

microsoft2023-Sep/CVE-2023-41915Important

OpenPMIx PMIx before 4.2.6 and 5.0.x before 5.0.1 allows attackers to obtain ownership of arbitrary files via a race condition during execution of library code with UID 0.

Sep 12, 2023
redhatCVE-2023-41915Important

pmix: race condition allows attackers to obtain ownership of arbitrary files

Sep 10, 2023

References

docs.openpmix.org / en/latest/security.html
Not Applicable
github.com / openpmix/openpmix/releases/tag/v4.2.6
Release Notes
github.com / openpmix/openpmix/releases/tag/v5.0.1
Release Notes
lists.debian.org / debian-lts-announce/2023/10/msg00048.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/IFKIY6SNC3KQNZMVROWMIW6DI5XPNKQX
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/SYJ7IRNR6NHJMTNOV3E3W3D5MLDRDCJX
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/YDLWSMQYXF2ZGOQKCG26H6ZZA5FEH7HX
Mailing ListThird Party Advisory
debian.org / security/2023/dsa-5547
Third Party Advisory
openwall.com / lists/oss-security/2024/07/10/3
openwall.com / lists/oss-security/2024/07/10/4
openwall.com / lists/oss-security/2024/07/10/6
openwall.com / lists/oss-security/2024/07/11/3