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CVE-2022-39243

30
FAUCET Score

CVE-2022-39243 is a critical command injection vulnerability affecting NuProcess, a Java external process execution library, specifically on Linux systems. Attackers can exploit the absence of NUL character sanitization in NuProcess versions 1.2.0 and above to inject arbitrary command line arguments. This vulnerability carries a CVSS score of 9.8 (CRITICAL), indicating it can be exploited remotely with low complexity, leading to complete compromise of confidentiality, integrity, and availability. While no active exploitation or public exploit code has been identified, and community discussion is minimal, a patch is available in NuProcess version 2.0.5, and sanitizing NUL characters serves as a workaround.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.2.0, < 2.0.5CPE matchmatch criteria
cpe:2.3:a:nuprocess_project:nuprocess:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.4HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.5
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.22%
Probability of exploitation in next 30 days
EPSS Percentile
65.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0122 is in the 52nd 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

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: com.zaxxer:nuprocessFixed in: 2.0.5

Vendor Advisories (1)

mavenGHSA-cxgf-v2p8-7ph7high

NuProcess vulnerable to command-line injection through insertion of NUL character(s)

Sep 30, 2022

References

github.com / brettwooldridge/NuProcess/commit/29bc09de561bf00ff9bf77123756363a9709f868
PatchThird Party Advisory
github.com / brettwooldridge/NuProcess/pull/143
ExploitPatchThird Party Advisory
github.com / brettwooldridge/NuProcess/security/advisories/GHSA-cxgf-v2p8-7ph7
Third Party Advisory