OCTOBER 1, 2026
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Case File

CVE-2020-28022

CRITICAL · CVSS 9.8 EPSS 3.02%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-06 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.

CVE
CVE-2020-28022
Severity
CRITICAL
CVSS
9.8
EPSS
3.02%

Original NVD Description

Exim 4 before 4.94.2 has Improper Restriction of Write Operations within the Bounds of a Memory Buffer. This occurs when processing name=value pairs within MAIL FROM and RCPT TO commands.

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Other vulnerabilities affecting the same vendor(s)