CVE-2023-38889

FAUCET Score

CVE-2023-38889 is a critical arbitrary code execution vulnerability affecting Alluxio versions 2.9.3 and earlier. An unauthenticated attacker can exploit this flaw remotely by injecting a crafted script into the username parameter of the getUnixGroups function, leading to full compromise of the system. Despite its CVSS score of 9.8, indicating maximum severity and impact, there is currently no public exploit intelligence, active exploitation, or significant community discussion surrounding this vulnerability.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		<= 2.9.3CPE matchmatch criteria	cpe:2.3:a:alluxio:alluxio::::::::

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

0.98%

Probability of exploitation in next 30 days

EPSS Percentile

58.7%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0098 is in the 44th percentile among its peer group of 36,862 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)

github_advisorypatch availablevia nvd_reference

View patch

Vendor Advisories (1)

mavenGHSA-xrrh-h86w-pwfjcritical

Alluxio vulnerable to arbitrary code execution

Aug 15, 2023

References

github.com / Alluxio/alluxio/issues/17766

ExploitIssue TrackingPatch