CVE-2020-28019

HIGH
7.5
CVSS Score
Published: May 6, 2021 at 04:03 AM UTC
Updated: June 17, 2026 at 03:10 AM UTC
1 product affected across 1 vendorExim

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Severity
HIGH7.5
Exploit prediction
EPSS 62%

Description

Exim 4 before 4.94.2 has Improper Initialization that can lead to recursion-based stack consumption or other consequences. This occurs because use of certain getc functions is mishandled when a client uses BDAT instead of DATA.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.88 ≤ v < 4.94.2
Affected range stops below 4.94.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-665

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