How severe is CVE-2018-20927?

CVE-2018-20927 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-20927 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20927?

CVE-2018-20927 affects Cpanel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20927?

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

When was CVE-2018-20927 published?

CVE-2018-20927 was published on 2019-08-01 and last updated on 2026-06-17.

CVE-2018-20927

CVE-2018-20927 is a low-severity vulnerability in Cpanel with a CVSS 3.x base score of 3.8. 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-285.

Key facts

Severity: Low (CVSS 3.x base score 3.8)
CVSS v2: 2.1
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Cpanel
Published: 2019-08-01
Last modified: 2026-06-17

Description

cPanel before 70.0.23 allows jailshell escape because of incorrect crontab parsing (SEC-382).

Frequently asked questions

What is CVE-2018-20927?: cPanel before 70.0.23 allows jailshell escape because of incorrect crontab parsing (SEC-382).
How severe is CVE-2018-20927?: CVE-2018-20927 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-20927 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20927?: CVE-2018-20927 affects Cpanel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20927?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-20927 published?: CVE-2018-20927 was published on 2019-08-01 and last updated on 2026-06-17.

References

https://documentation.cpanel.net/display/CL/70+Change+Log

Affected products (1)

cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*

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