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ubuntucveUbuntu.comUB:CVE-2021-45957
HistoryJan 01, 2022 - 12:00 a.m.

CVE-2021-45957

2022-01-0100:00:00
ubuntu.com
ubuntu.com
26

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

50.4%

DISPUTED Dnsmasq 2.86 has a heap-based buffer overflow in
answer_request (called from FuzzAnswerTheRequest and fuzz_rfc1035.c). NOTE:
the vendor’s position is that CVE-2021-45951 through CVE-2021-45957 “do not
represent real vulnerabilities, to the best of our knowledge.”

Notes

Author Note
mdeslaur vendor has disputed this CVE, marking as not-affected

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

50.4%