Detections
Analytics

Xerox Phaser 4622 Out-of-bounds Write (CVE-2021-37354)

critical Tenable OT Security Plugin ID 505556

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Xerox Phaser 4622 v35.013.01.000 was discovered to contain a buffer overflow in the function sub_3226AC via the TIMEZONE variable. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://github.com/Ainevsia/CVE-Request/tree/main/Xerox/1

Plugin Details

Severity: Critical

ID: 505556

File Name: tenable_ot_xerox_CVE-2021-37354.nasl

Version: 1.1

Type: Remote

Family: Tenable.ot

Published: 7/27/2026

Updated: 7/27/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

CVSS v2

Risk Factor: High

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-37354

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/o:xerox:phaser_4622_firmware:35.013.01.000

Required KB Items: Tenable.ot/Xerox

Patch Publication Date: 2/15/2022

Vulnerability Publication Date: 2/15/2022

Reference Information

CVE: CVE-2021-37354

CWE: 787