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HIGH · 7.5

CVE-2020-28023

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

Vulnerability Description

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

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
EximExim>= 4.00, < 4.94.2

Related Weaknesses (CWE)

CWE-125

References

FAQ

What is CVE-2020-28023?

CVE-2020-28023 is a vulnerability with a CVSS score of 7.5 (HIGH). Exim 4 before 4.94.2 allows Out-of-bounds Read. smtp_setup_msg may disclose sensitive information from process memory to an unauthenticated SMTP client.

How severe is CVE-2020-28023?

CVE-2020-28023 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-28023?

Check the references section above for vendor advisories and patch information. Affected products include: Exim Exim.