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prionPRIOn knowledge basePRION:CVE-2021-1883
HistorySep 08, 2021 - 3:15 p.m.

Design/Logic Flaw

2021-09-0815:15:00
PRIOn knowledge base
www.prio-n.com
2

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

5.8 Medium

AI Score

Confidence

Low

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

30.5%

JSON

This issue was addressed with improved checks. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, Security Update 2021-003 Catalina, tvOS 14.5, macOS Big Sur 11.3. Processing maliciously crafted server messages may lead to heap corruption.

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2021-05-26 00:00:00
macOS 10.15.x < 10.15.7 Security Update 2021-002 Catalina (HT212530)
2021-05-26 00:00:00
macOS 11.x < 11.3 (HT212325)
2021-04-28 00:00:00
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About the security content of watchOS 7.4
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About the security content of Security Update 2021-004 Mojave
2021-05-24 00:00:00
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Apple Mac OS X Security Update (HT212325)
2022-09-02 00:00:00

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

5.8 Medium

AI Score

Confidence

Low

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

30.5%

JSON
Related for PRION:CVE-2021-1883
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