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ibmIBM12CE8FF345E0DE87F32929BC10524C6FAAF1E389A3A8BD632A0FCE3BDA94A71C
HistoryJan 23, 2023 - 9:30 p.m.

Security Bulletin: Vulnerability in NX-OS Firmware used by IBM c-type SAN directors and switches.

2023-01-2321:30:03
www.ibm.com
8
nx-os
ibm c-type san
openssl
remote attacker
sensitive information
out-of-bounds read
denial of service
vulnerability
memory
system

5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

0.004 Low

EPSS

Percentile

72.1%

JSON

Summary

Public disclosed OpenSSL vulnerability in NX-OS Firmware used by IBM c-type SAN directors and switches. The vulnerability has been addressed and can be resolved by applying the NX-OS code level listed below.

Vulnerability Details

CVEID:CVE-2021-3712
**DESCRIPTION:**OpenSSL could allow a remote attacker to obtain sensitive information, caused by an out-of-bounds read when processing ASN.1 strings. By sending specially crafted data, an attacker could exploit this vulnerability to read contents of memory on the system or perform a denial of service attack.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208073 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)

Affected Products and Versions

Affected Product(s) Version(s)
NX-OS 9.X

Remediation/Fixes

Fixes Version(s)
NX-OS 9.3.2

Workarounds and Mitigations

None

Affected configurations

Vulners
Node
ibmrational_software_architectMatch11
CPENameOperatorVersion
cisco softwareeq11

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5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

0.004 Low

EPSS

Percentile

72.1%

JSON
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