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cveMitreCVE-2020-28023
HistoryMay 06, 2021 - 1:15 p.m.

CVE-2020-28023

2021-05-0613:15:09
CWE-125
mitre
web.nvd.nist.gov
292
2
exim
cve-2020-28023
out-of-bounds read
nvd
smtp_setup_msg
sensitive information disclosure
process memory
smtp client

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

7.2

Confidence

Low

EPSS

0.002

Percentile

53.8%

JSON

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.

Affected configurations

Nvd
Node
eximeximRange4.00–4.94.2
VendorProductVersionCPE
eximexim*cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*

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CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

7.2

Confidence

Low

EPSS

0.002

Percentile

53.8%

JSON
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