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CVE-2020-28024

—
CVSS 3.1
9.8 critical
EPSS
4%p90
Published
()
Modified
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.

Vendors
exim
Products
exim
Weakness
CWE-787
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (4.2%)

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