Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: General). Supported versions that are affected are 7.4.33 and prior, 7.5.23 and prior, 7.6.19 and prior and 8.0.26 and prior. Difficult to exploit vulnerability allows high privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Cluster executes to compromise MySQL Cluster. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of MySQL Cluster. CVSS 3.1 Base Score 6.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H).

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017453 advisory.

    Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: General). Supported     versions that are affected are 7.4.33 and prior, 7.5.23 and prior, 7.6.19 and prior and 8.0.26 and prior.
    Difficult to exploit vulnerability allows high privileged attacker with access to the physical     communication segment attached to the hardware where the MySQL Cluster executes to compromise MySQL     Cluster. Successful attacks require human interaction from a person other than the attacker. Successful     attacks of this vulnerability can result in takeover of MySQL Cluster. CVSS 3.1 Base Score 6.3     (Confidentiality, Integrity and Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H).

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: General). Supported     versions that are affected are 7.4.33 and prior, 7.5.23 and prior, 7.6.19 and prior and 8.0.26 and prior.
    Difficult to exploit vulnerability allows high privileged attacker with access to the physical     communication segment attached to the hardware where the MySQL Cluster executes to compromise MySQL     Cluster. Successful attacks require human interaction from a person other than the attacker. Successful     attacks of this vulnerability can result in takeover of MySQL Cluster. (CVE-2021-35621)

Note that Nessus relies on the presence of the package as reported by the vendor.

An update of the mysql package has been released.

ID	Name	Product	Family	Type	Severity
313947	Unity Linux 20.1070e Security Update: mysql (UTSA-2026-017453)	Nessus	Unity Linux Local Security Checks	Local	medium
243863	Linux Distros Unpatched Vulnerability : CVE-2021-35621	Nessus	Misc.	Local	medium
203488	Photon OS 4.0: Mysql PHSA-2021-4.0-0119	Nessus	PhotonOS Local Security Checks	Local	high
155320	Photon OS 3.0: Mysql PHSA-2021-3.0-0327	Nessus	PhotonOS Local Security Checks	Local	high

Detections

Analytics

CVE-2021-35621

medium

Tenable Plugins

medium

medium

high

high