How severe is CVE-2019-10665?

CVE-2019-10665 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-10665 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-10665?

CVE-2019-10665 affects Librenms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-10665?

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

When was CVE-2019-10665 published?

CVE-2019-10665 was published on 2019-09-09 and last updated on 2026-06-17.

CVE-2019-10665

CVE-2019-10665 is a critical-severity vulnerability in Librenms with a CVSS 3.x base score of 9.8. 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-74.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Librenms
Published: 2019-09-09
Last modified: 2026-06-17

Description

An issue was discovered in LibreNMS through 1.47. The scripts that handle the graphing options (html/includes/graphs/common.inc.php and html/includes/graphs/graphs.inc.php) do not sufficiently validate or encode several fields of user supplied input. Some parameters are filtered with mysqli_real_escape_string, which is only useful for preventing SQL injection attacks; other parameters are unfiltered. This allows an attacker to inject RRDtool syntax with newline characters via the html/graph.php script. RRDtool syntax is quite versatile and an attacker could leverage this to perform a number of attacks, including disclosing directory structure and filenames, file content, denial of service, or writing arbitrary files.

Frequently asked questions

What is CVE-2019-10665?: An issue was discovered in LibreNMS through 1.47. The scripts that handle the graphing options (html/includes/graphs/common.inc.php and html/includes/graphs/graphs.inc.php) do not sufficiently validate or encode several fields of user supplied input. Some parameters are filtered with mysqli_real_escape_string, which is only useful for preventing SQL injection attacks; other parameters are unfiltered. This allows an attacker to inject RRDtool syntax with newline characters via the html/graph.php script. RRDtool syntax is quite versatile and an attacker could leverage this to perform a number of attacks, including disclosing directory structure and filenames, file content, denial of service, or writing arbitrary files.
How severe is CVE-2019-10665?: CVE-2019-10665 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-10665 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-10665?: CVE-2019-10665 affects Librenms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-10665?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-10665 published?: CVE-2019-10665 was published on 2019-09-09 and last updated on 2026-06-17.

References

https://www.darkmatter.ae/xen1thlabs/librenms-rrdtool-injection-vulnerability-xl-19-023/

Affected products (1)

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

More vulnerabilities in Librenms

CVE-2026-86426 — Critical (CVSS 9.8): LibreNMS before 26.8.0 contains an authentication bypass vulnerability in the REST API that allows unauthenticated…
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-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-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities

CVE-2026-114575 — Critical (CVSS 10.0): A flaw has been found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. Affected by this issue is the function…
CVE-2026-108918 — Critical (CVSS 10.0): A vulnerability was identified in Edimax BR-6208AC 1.32. Impacted is an unknown function of the file…
CVE-2026-108917 — Critical (CVSS 10.0): A vulnerability was determined in Edimax BR-6208AC 1.32. This issue affects some unknown processing of the file…
CVE-2026-105135 — Critical (CVSS 10.0): A vulnerability has been found in InternLM MindSearch 0.1.0. This issue affects the function ExecutionAction.run of the…
CVE-2026-61732 — Critical (CVSS 10.0): Decepticon is an autonomous hacking agent for red teams. Versions prior to 1.1.17 wrap web crawl results — the output…
CVE-2026-94097 — Critical (CVSS 10.0): A vulnerability was determined in Netcore NBR200V2 1.3.241127.071246. This affects an unknown part of the file…

Browse all CWE-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities →