CVE-2023-42277

FAUCET Score

CVE-2023-42277 is a critical buffer overflow vulnerability affecting hutool v5.8.21, specifically within the jsonObject.putByPath component. With a CVSS score of 9.8, it poses a severe risk, allowing unauthenticated attackers to achieve high impact on confidentiality, integrity, and availability over the network with low attack complexity. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and there's minimal community discussion or media coverage, its critical severity warrants immediate attention.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		5.8.21CPE matchmatch criteria	cpe:2.3:a:hutool:hutool:5.8.21:::::::*

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

0.77%

Probability of exploitation in next 30 days

EPSS Percentile

51.8%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0077 is in the 35th 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

Vendor Patches (1)

github_advisoryvendor investigatingvia nvd_reference

View patch

Vendor Advisories (1)

mavenGHSA-7p8c-crfr-q93pcritical

hutool Buffer Overflow vulnerability

Sep 9, 2023

References

github.com / dromara/hutool/issues/3285

ExploitIssue TrackingVendor Advisory