Vulnerability in Cpanel

CVE-2020-26099

cPanel before 88.0.3 allows attackers to bypass the SMTP greylisting protection mechanism (SEC-491).

EPSS: 0.012 (65.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Cpanel
N/a — versions n/a

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-26099?: CVE-2020-26099 is a high-severity vulnerability in Cpanel. CVSS score: 7.5/10. Published 2020-09-25.
How severe is CVE-2020-26099?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-26099 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.