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ibmIBMA21450CA46A13FB7D14123F07EF140C38F3E8D99CAA98E59F1BF8D289483212C
HistoryMay 05, 2021 - 10:58 p.m.

Security Bulletin: Vulnerability in Fabric OS used by IBM b-type SAN directors and switches.

2021-05-0522:58:51
www.ibm.com
16

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.003 Low

EPSS

Percentile

66.0%

JSON

Summary

Public disclosed vulnerability from OpenSSL in the Fabric OS used by IBM b-type SAN directors and switches.

Vulnerability Details

CVEID:CVE-2020-1971
**DESCRIPTION:**OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference. If the GENERAL_NAME_cmp function contain an EDIPARTYNAME, an attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/192748 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s) Version(s)
FOS 9.0
FOS 8.2

Remediation/Fixes

Product VRMF Fix
FOS 8.0
upgrade to FOS 8.1.2h or FOS 8.2.1c
FOS 8.1 8.1.2h <https://www-01.ibm.com/support/docview.wss?uid=ssg1S1009577&gt;
FOS 8.2 8.2.1c <https://www-01.ibm.com/support/docview.wss?uid=ssg1S1009577&gt;

Workarounds and Mitigations

None

CPENameOperatorVersion
foseq9.0
foseq8.2

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5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.003 Low

EPSS

Percentile

66.0%

JSON
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