AUGUST 4, 2026
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Case File

CVE-2020-28024

CRITICAL · CVSS 9.8 EPSS 4.15%

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

CyberRota Analysis

AI analysis pending.

CVE
CVE-2020-28024
Severity
CRITICAL
CVSS
9.8
EPSS
4.15%

Original NVD Description

Exim 4 before 4.94.2 allows Buffer Underwrite that may result in unauthenticated remote attackers executing arbitrary commands, because smtp_ungetc was only intended to push back characters, but can actually push back non-character error codes such as EOF.

Related CVEs

Other vulnerabilities affecting the same vendor(s)