Xerox AltaLink Missing Authorization (CVE-2021-28669)

high Tenable OT Security Plugin ID 505555

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Xerox AltaLink B80xx before 103.008.020.23120, C8030/C8035 before 103.001.020.23120, C8045/C8055 before 103.002.020.23120 and C8070 before 103.003.020.23120 provide the ability to set configuration attributes without administrative rights.

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.

Plugin Details

Severity: High

ID: 505555

File Name: tenable_ot_xerox_CVE-2021-28669.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: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 5

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

CVSS Score Source: CVE-2021-28669

CVSS v3

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

CPE: cpe:/o:xerox:altalink_b8045_firmware, cpe:/o:xerox:altalink_b8055_firmware, cpe:/o:xerox:altalink_b8065_firmware, cpe:/o:xerox:altalink_b8075_firmware, cpe:/o:xerox:altalink_b8090_firmware, cpe:/o:xerox:altalink_c8030_firmware, cpe:/o:xerox:altalink_c8035_firmware, cpe:/o:xerox:altalink_c8045_firmware, cpe:/o:xerox:altalink_c8055_firmware, cpe:/o:xerox:altalink_c8070_firmware

Required KB Items: Tenable.ot/Xerox

Patch Publication Date: 3/29/2021

Vulnerability Publication Date: 3/29/2021

Reference Information

CVE: CVE-2021-28669

CWE: 862

Detections

Analytics