Security Bulletin
Summary
Public disclosed OpenSSL vulnerability in NX-OS Firmware used by IBM c-type SAN directors and switches.
Vulnerability Details
CVEID: CVE-2020-1968
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by a Raccoon attack in the TLS specification. By computing the pre-master secret in connections which have used a Diffie-Hellman (DH) based ciphersuite, an attacker could exploit this vulnerability to eavesdrop on all encrypted communications sent over that TLS connection.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/187977 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| NX-OS | NX-OS prior to 8.4(2b) |
Remediation/Fixes
| Fixes | Version(s) |
| NX-OS | 8.4(2b) |
Workarounds and Mitigations
None
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References
Change History
24 Feb 2021: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
24 February 2021
UID
ibm16417129