CVE-2023-39022

FAUCET Score

CVE-2023-39022 is a critical code injection vulnerability affecting oscore versions 2.2.6 and below, specifically within the com.opensymphony.util.EJBUtils.createStateless component. This flaw allows unauthenticated remote attackers to execute arbitrary code due to unchecked arguments, posing a severe risk to confidentiality, integrity, and availability. Despite its critical CVSS score of 9.8, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		<= 2.2.6CPE matchmatch criteria	cpe:2.3:a:oscore:oscore::::::::

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

0.99%

Probability of exploitation in next 30 days

EPSS Percentile

58.8%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0099 is in the 44th percentile among its peer group of 36,897 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

Vendor Advisories (1)

mavenGHSA-859m-2pfx-fwhfcritical

Code injection in oscore

Jul 28, 2023

References

github.com / LetianYuan/My-CVE-Public-References/tree/main/opensymphony_oscore

ExploitThird Party Advisory