How severe is CVE-2019-18418?

CVE-2019-18418 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-2019-18418 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18418?

CVE-2019-18418 affects Clonos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-18418?

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-2019-18418 published?

CVE-2019-18418 was published on 2019-10-24 and last updated on 2026-06-17.

CVE-2019-18418

CVE-2019-18418 is a critical-severity vulnerability in Clonos 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-384.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Clonos
Published: 2019-10-24
Last modified: 2026-06-17

Description

clonos.php in ClonOS WEB control panel 19.09 allows remote attackers to gain full access via change password requests because there is no session management.

Frequently asked questions

What is CVE-2019-18418?: clonos.php in ClonOS WEB control panel 19.09 allows remote attackers to gain full access via change password requests because there is no session management.
How severe is CVE-2019-18418?: CVE-2019-18418 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-2019-18418 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18418?: CVE-2019-18418 affects Clonos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-18418?: 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-2019-18418 published?: CVE-2019-18418 was published on 2019-10-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:clonos:clonos:19.09:*:*:*:*:*:*:*

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