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HIGH · 7.5

CVE-2020-28019

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...

Vulnerability 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.

CVSS Score

7.5

HIGH

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

Affected Products

VendorProductVersions
EximExim>= 4.88, < 4.94.2

Related Weaknesses (CWE)

CWE-665

References

FAQ

What is CVE-2020-28019?

CVE-2020-28019 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...

How severe is CVE-2020-28019?

CVE-2020-28019 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-2020-28019?

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