CVE-2020-28023: High severity sa-exim vulnerability

Published May 6, 2021
·
Updated

Exim 4 before 4.94.2 allows Out-of-bounds Read. smtpsetupmsg may disclose sensitive information from process memory to an unauthenticated SMTP client.

Affected Software

1 affected component
Exim Exim>=4.00<4.94.2

Event History

May 6, 2021
CVE Published
via MITRE·04:24 AM
Data Sourced
via MITRE·04:24 AM
Description

Frequently Asked Questions

1

What is CVE-2020-28023?

CVE-2020-28023 is a vulnerability in Exim, version 4 before 4.94.2, that allows an out-of-bounds read, potentially disclosing sensitive information from process memory to an unauthenticated SMTP client.

2

What is the severity of CVE-2020-28023?

The severity of CVE-2020-28023 is high, with a CVSS score of 7.5.

3

How does CVE-2020-28023 affect Exim?

CVE-2020-28023 affects Exim versions 4 before 4.94.2, allowing an out-of-bounds read and potentially exposing sensitive information to an unauthenticated SMTP client.

4

What is the fix for CVE-2020-28023?

To fix CVE-2020-28023, upgrade Exim to version 4.94.2 or later.

5

Where can I find more information about CVE-2020-28023?

You can find more information about CVE-2020-28023 at the following link: [CVE-2020-28023](https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28023-SCHAD.txt)

Contact

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