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CVE-2023-2319

31
FAUCET Score

CVE-2023-2319 is a critical security regression in Red Hat Enterprise Linux 9.2, specifically affecting the PCS package within Red Hat Enterprise Linux High Availability. This vulnerability, with a CVSS score of 9.8, stems from the failure to include a previously addressed Webpack fix (CVE-2023-28154) in the RHBA-2023:2151 erratum. Due to its network attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability, this flaw presents a significant risk. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered considerable community discussion, indicating awareness and potential future interest.

Impacted Technologies

VendorProductVersion(s)CPE
0.11.4-6.el9CPE matchmatch criteria
cpe:2.3:a:clusterlabs:pcs:0.11.4-6.el9:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_high_availability:9.0:*:*:*:*:*:*:*
9.2CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_high_availability_eus:9.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.97%
Probability of exploitation in next 30 days
EPSS Percentile
58.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0097 is in the 43rd percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: pcs-0:0.11.4-7.el9_2
View patch

Vendor Advisories (1)

redhatCVE-2023-2319Important

pcs: webpack: Regression of CVE-2023-28154 fixes in the Red Hat Enterprise Linux

May 9, 2023

References

access.redhat.com / errata/RHSA-2023:2652
Third Party Advisory
access.redhat.com / security/cve/CVE-2023-2319
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue Tracking