7.5
Advisory Published
Updated

CVE-2021-21980

First published: Wed Nov 24 2021(Updated: )

The vSphere Web Client (FLEX/Flash) contains an unauthorized arbitrary file read vulnerability. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to gain access to sensitive information.

Credit: security@vmware.com

Affected SoftwareAffected VersionHow to fix
VMware vCenter Server and Cloud Foundation=3.0
VMware vCenter=6.5
VMware vCenter=6.5-update_1
VMware vCenter=6.5-update_1b
VMware vCenter=6.5-update_1c
VMware vCenter=6.5-update_1d
VMware vCenter=6.5-update_1e
VMware vCenter=6.5-update_1g
VMware vCenter=6.5-update_2
VMware vCenter=6.5-update_2b
VMware vCenter=6.5-update_2c
VMware vCenter=6.5-update_2d
VMware vCenter=6.5-update_2g
VMware vCenter=6.5-update_3
VMware vCenter=6.5-update_3d
VMware vCenter=6.5-update_3f
VMware vCenter=6.5-update_3k
VMware vCenter=6.5-update_3n
VMware vCenter=6.5-update_3p
VMware vCenter=6.5-update_3q
VMware vCenter=6.7
VMware vCenter=6.7-update_1
VMware vCenter=6.7-update_1b
VMware vCenter=6.7-update_2
VMware vCenter=6.7-update_2a
VMware vCenter=6.7-update_2c
VMware vCenter=6.7-update_3
VMware vCenter=6.7-update_3a
VMware vCenter=6.7-update_3b
VMware vCenter=6.7-update_3f
VMware vCenter=6.7-update_3g
VMware vCenter=6.7-update_3j
VMware vCenter=6.7-update_3l
VMware vCenter=6.7-update_3m
VMware vCenter=6.7-update_3n
VMware vCenter=6.7-update_3o

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Frequently Asked Questions

  • What is the severity of CVE-2021-21980?

    CVE-2021-21980 has a critical severity rating due to the possibility of unauthorized arbitrary file read.

  • How do I fix CVE-2021-21980?

    To fix CVE-2021-21980, it is recommended to apply the patches provided by VMware for affected versions of vCenter Server and Cloud Foundation.

  • What software is affected by CVE-2021-21980?

    CVE-2021-21980 affects VMware vCenter Server 6.5 and 6.7, as well as VMware Cloud Foundation 3.0.

  • Can CVE-2021-21980 be exploited remotely?

    Yes, CVE-2021-21980 can be exploited remotely by attackers with network access to port 443 on the vCenter Server.

  • What information can be accessed through the CVE-2021-21980 vulnerability?

    Through CVE-2021-21980, an attacker can potentially gain access to sensitive information stored on the vCenter Server.

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