Is CVE-2023-4977 in the CISA KEV catalog?

No. CVE-2023-4977 is not currently on the CISA Known Exploited Vulnerabilities list.

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

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

What is the EPSS score for CVE-2023-4977?

CVE-2023-4977 has an EPSS score of 0.45% (36th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-4977?

Upgrade librenms to 23.9.0 or later.

CVE & CISA-KEV Catalog

CVE-2023-4977

MEDIUM

5.4

CVSS v3

NVD

Description

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

CWE-94Code Injection

How to fix

Remediation Available

librenmsNVD

Affected:< 23.9.0Fixed in:23.9.0CVE-2023-4977derived 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 ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.45%probability of exploitation in 30 days

36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

Patch2

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

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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.