How severe is CVE-2018-1999018?

CVE-2018-1999018 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-1999018 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1999018?

CVE-2018-1999018 affects Pydio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1999018?

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

When was CVE-2018-1999018 published?

CVE-2018-1999018 was published on 2018-07-23 and last updated on 2026-06-17.

CVE-2018-1999018

CVE-2018-1999018 is a medium-severity vulnerability in Pydio with a CVSS 3.x base score of 6.6. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
CVSS v2: 8.5
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Pydio
Published: 2018-07-23
Last modified: 2026-06-17

Description

Pydio version 8.2.1 and prior contains an Unvalidated user input leading to Remote Code Execution (RCE) vulnerability in plugins/action.antivirus/AntivirusScanner.php: Line 124, scanNow($nodeObject) that can result in An attacker gaining admin access and can then execute arbitrary commands on the underlying OS. This attack appear to be exploitable via The attacker edits the Antivirus Command in the antivirus plugin, and executes the payload by uploading any file within Pydio.

Frequently asked questions

What is CVE-2018-1999018?: Pydio version 8.2.1 and prior contains an Unvalidated user input leading to Remote Code Execution (RCE) vulnerability in plugins/action.antivirus/AntivirusScanner.php: Line 124, scanNow($nodeObject) that can result in An attacker gaining admin access and can then execute arbitrary commands on the underlying OS. This attack appear to be exploitable via The attacker edits the Antivirus Command in the antivirus plugin, and executes the payload by uploading any file within Pydio.
How severe is CVE-2018-1999018?: CVE-2018-1999018 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-1999018 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1999018?: CVE-2018-1999018 affects Pydio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1999018?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1999018 published?: CVE-2018-1999018 was published on 2018-07-23 and last updated on 2026-06-17.

References

https://www.mike-gualtieri.com/files/Pydio-8-VulnerabilityDisclosure-Jul18.txt

Affected products (1)

cpe:2.3:a:pydio:pydio:*:*:*:*:*:*:*:*

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