CVE-2023-4977

MEDIUMNVD 5.45.4—

5.4

Code Injection in GitHub repository librenms/librenms prior to 23.9.0.

CVSS v3: 5.4
EG Score: 5.4(medium)
EPSS: 18.8%
KEV: Not listed

Published

September 15, 2023

Last Modified

November 21, 2024

References (4)

security@huntrhttps://github.com/librenms/librenms/commit/1194934d31c795a3f6877a96ffaa34b1f475bdd0
security@huntrhttps://huntr.dev/bounties/3db8a1a4-ca2d-45df-be18-a959ebf82fbc
af854a3a-2127-422b-91ae-364da2661108https://github.com/librenms/librenms/commit/1194934d31c795a3f6877a96ffaa34b1f475bdd0
af854a3a-2127-422b-91ae-364da2661108https://huntr.dev/bounties/3db8a1a4-ca2d-45df-be18-a959ebf82fbc

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
librenms/librenms	1.19 ... 23.8.2 (114 versions)	23.9.0	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-07 15:24 UTCepss_batch
2026-06-07 15:23 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2023-4977?

CVE-2023-4977 is a medium vulnerability published on September 15, 2023. Code Injection in GitHub repository librenms/librenms prior to 23.9.0.

When was CVE-2023-4977 disclosed?

CVE-2023-4977 was first published in the National Vulnerability Database on September 15, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-4977 actively exploited?

CVE-2023-4977 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 18.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-4977?

CVE-2023-4977 has a CVSS v3 base score of 5.4 (NVD).

How do I remediate CVE-2023-4977?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-4977, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-4977

Explore →

Is Your Infrastructure Affected by CVE-2023-4977?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2023-4977

📅 Published

🔄 Last Modified

🔗 References (4)

Affected Packages

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-4977?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)