How severe is CVE-2020-36947?

CVE-2020-36947 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2020-36947 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-2020-36947?

CVE-2020-36947 affects Librenms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36947?

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-2020-36947 have an EU (EUVD) identifier?

Yes. CVE-2020-36947 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30862.

When was CVE-2020-36947 published?

CVE-2020-36947 was published on 2026-01-27 and last updated on 2026-06-17.

CVE-2020-36947

CVE-2020-36947 is a high-severity vulnerability in Librenms with a CVSS 3.x base score of 7.1. 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-89.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v4: 7.1
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-30862
Weakness: CWE-89
Affected product: Librenms
Published: 2026-01-27
Last modified: 2026-06-17

Description

LibreNMS 1.46 contains an authenticated SQL injection vulnerability in the MAC accounting graph endpoint that allows remote attackers to extract database information. Attackers can exploit the vulnerability by manipulating the 'sort' parameter with crafted SQL injection techniques to retrieve sensitive database contents through time-based blind SQL injection.

Frequently asked questions

What is CVE-2020-36947?: LibreNMS 1.46 contains an authenticated SQL injection vulnerability in the MAC accounting graph endpoint that allows remote attackers to extract database information. Attackers can exploit the vulnerability by manipulating the 'sort' parameter with crafted SQL injection techniques to retrieve sensitive database contents through time-based blind SQL injection.
How severe is CVE-2020-36947?: CVE-2020-36947 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2020-36947 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-2020-36947?: CVE-2020-36947 affects Librenms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36947?: 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-2020-36947 have an EU (EUVD) identifier?: Yes. CVE-2020-36947 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30862.
When was CVE-2020-36947 published?: CVE-2020-36947 was published on 2026-01-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:librenms:librenms:1.46:*:*:*:*:*:*:*

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