How severe is CVE-2024-49754?

CVE-2024-49754 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2024-49754 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 70% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-49754?

CVE-2024-49754 affects Librenms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-49754?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-49754 have an EU (EUVD) identifier?

Yes. CVE-2024-49754 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3253.

When was CVE-2024-49754 published?

CVE-2024-49754 was published on 2024-11-15 and last updated on 2026-06-17.

CVE-2024-49754

CVE-2024-49754 is a high-severity vulnerability in Librenms with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 70% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 70% (99th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-3253
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 Stored Cross-Site Scripting (XSS) vulnerability in the API-Access page allows authenticated users to inject arbitrary JavaScript through the "token" parameter when creating a new API token. This vulnerability can result in the execution of malicious code in the context of other users' sessions, compromising their accounts and enabling unauthorized actions. This vulnerability is fixed in 24.10.0.

Frequently asked questions

What is CVE-2024-49754?: LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. A Stored Cross-Site Scripting (XSS) vulnerability in the API-Access page allows authenticated users to inject arbitrary JavaScript through the "token" parameter when creating a new API token. This vulnerability can result in the execution of malicious code in the context of other users' sessions, compromising their accounts and enabling unauthorized actions. This vulnerability is fixed in 24.10.0.
How severe is CVE-2024-49754?: CVE-2024-49754 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2024-49754 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 70% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-49754?: CVE-2024-49754 affects Librenms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-49754?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-49754 have an EU (EUVD) identifier?: Yes. CVE-2024-49754 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3253.
When was CVE-2024-49754 published?: CVE-2024-49754 was published on 2024-11-15 and last updated on 2026-06-17.

References

Affected products (1)

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

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CVE-2022-4070 — Critical (CVSS 9.8): Insufficient Session Expiration in GitHub repository librenms/librenms prior to 22.10.0.
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