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cve[email protected]CVE-2023-6017
HistoryNov 16, 2023 - 5:15 p.m.

CVE-2023-6017

2023-11-1617:15:08
NVD-CWE-Other
CWE-840
web.nvd.nist.gov
10
cve-2023-6017
h2o
s3 bucket
url takeover
nvd

8.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

7.1 High

AI Score

Confidence

Low

4.9 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:P/I:P/A:N

0.001 Low

EPSS

Percentile

20.6%

H2O included a reference to an S3 bucket that no longer existed allowing an attacker to take over the S3 bucket URL.

CPENameOperatorVersion
h2o:h2oh2oeq-

8.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

7.1 High

AI Score

Confidence

Low

4.9 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:P/I:P/A:N

0.001 Low

EPSS

Percentile

20.6%

Related for CVE-2023-6017