Is CVE-2023-3040 in the CISA KEV catalog?

No. CVE-2023-3040 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-3040?

CVE-2023-3040 has a CVSS v3 base score of 3.7 (LOW).

What is the EPSS score for CVE-2023-3040?

CVE-2023-3040 has an EPSS score of 0.71% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-3040?

Upgrade lua-resty-json to 2023-05-05 or later.

CVE & CISA-KEV Catalog

CVE-2023-3040

LOW

3.7

CVSS v3

NVD

Description

A debug function in the lua-resty-json package, up to commit id 3ef9492bd3a44d9e51301d6adc3cd1789c8f534a (merged in PR #14) contained an out of bounds access bug that could have allowed an attacker to launch a DoS if the function was used to parse untrusted input data. It is important to note that because this debug function was only used in tests and demos, it was not exploitable in a normal environment.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

lua-resty-jsonNVD

Affected:< 2023-05-05Fixed in:2023-05-05CVE-2023-3040derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.71%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Patch2

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix

Embed a live status badge for CVE-2023-3040

Markdown

[![CVE-2023-3040](https://tridentstack.com/cve/badge/CVE-2023-3040.svg)](https://tridentstack.com/cve/CVE-2023-3040)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-3040"><img src="https://tridentstack.com/cve/badge/CVE-2023-3040.svg" alt="CVE-2023-3040"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.