How severe is CVE-2024-51496?

CVE-2024-51496 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-51496 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-51496?

CVE-2024-51496 affects Librenms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-51496?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-51496 have an EU (EUVD) identifier?

Yes. CVE-2024-51496 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3177.

When was CVE-2024-51496 published?

CVE-2024-51496 was published on 2024-11-15 and last updated on 2026-06-17.

CVE-2024-51496

CVE-2024-51496 is a medium-severity vulnerability in Librenms with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-3177
Weakness: CWE-79
Affected product: Librenms
Published: 2024-11-15
Last modified: 2026-06-17

Description

LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. A Reflected Cross-Site Scripting (XSS) vulnerability in the "metric" parameter of the "/wireless" and "/health" endpoints allows attackers to inject arbitrary JavaScript. This vulnerability results in the execution of malicious code when a user accesses the page with a malicious "metric" parameter, potentially compromising their session and allowing unauthorized actions. This vulnerability is fixed in 24.10.0.

Frequently asked questions

What is CVE-2024-51496?: LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. A Reflected Cross-Site Scripting (XSS) vulnerability in the "metric" parameter of the "/wireless" and "/health" endpoints allows attackers to inject arbitrary JavaScript. This vulnerability results in the execution of malicious code when a user accesses the page with a malicious "metric" parameter, potentially compromising their session and allowing unauthorized actions. This vulnerability is fixed in 24.10.0.
How severe is CVE-2024-51496?: CVE-2024-51496 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-51496 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-51496?: CVE-2024-51496 affects Librenms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-51496?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-51496 have an EU (EUVD) identifier?: Yes. CVE-2024-51496 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3177.
When was CVE-2024-51496 published?: CVE-2024-51496 was published on 2024-11-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:*

More vulnerabilities in Librenms

CVE-2022-4070 — Critical (CVSS 9.8): Insufficient Session Expiration in GitHub repository librenms/librenms prior to 22.10.0.
CVE-2022-29712 — Critical (CVSS 9.8): LibreNMS v22.3.0 was discovered to contain multiple command injection vulnerabilities via the service_ip, hostname, and…
CVE-2021-44278 — Critical (CVSS 9.8): Librenms 21.11.0 is affected by a path manipulation vulnerability in includes/html/pages/device/showconfig.inc.php.
CVE-2019-10665 — Critical (CVSS 9.8): An issue was discovered in LibreNMS through 1.47. The scripts that handle the graphing options…
CVE-2018-20434 — Critical (CVSS 9.8): LibreNMS 1.46 allows remote attackers to execute arbitrary OS commands by using the $_POST['community'] parameter to…
CVE-2024-51092 — Critical (CVSS 9.1): LibreNMS before 24.10.0 allows a remote attacker to execute arbitrary code via OS command injection involving…

All CVEs affecting Librenms →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →