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attackerkbAttackerKBAKB:2B6EF0AF-D2A0-4934-A869-DF1B237F8942
HistoryOct 10, 2023 - 12:00 a.m.

CVE-2023-44487

2023-10-1000:00:00
attackerkb.com
63
http/2
denial of service
server resource consumption
request cancellation
exploitation
assessments

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.732 High

EPSS

Percentile

98.1%

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

Recent assessments:

Assessed Attacker Value: 0
Assessed Attacker Value: 0Assessed Attacker Value: 0

References

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.732 High

EPSS

Percentile

98.1%