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cve[email protected]CVE-2021-37750
HistoryAug 23, 2021 - 5:15 a.m.

CVE-2021-37750

2021-08-2305:15:08
CWE-476
[email protected]
web.nvd.nist.gov
343
12
cve-2021-37750
key distribution center
mit kerberos 5
null pointer dereference
nvd
vulnerability
security
do_tgs_req.c

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.6 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

67.9%

JSON

The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field.

Affected configurations

NVD
Node
mitkerberos_5Range<1.18.5
OR
mitkerberos_5Range1.19.0–1.19.3
Node
fedoraprojectfedoraMatch33
Node
debiandebian_linuxMatch9.0
Node
starwindsoftwarestarwind_virtual_sanMatchv8r1314338
Node
oraclecommunications_cloud_native_core_network_slice_selection_functionMatch22.1.0

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4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.6 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

67.9%

JSON
Related for CVE-2021-37750
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