What’s Vulnerable › Vulnerabilities

CVE-2021-28669

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-29 · updated 2026-06-17
• Weakness: CWE-862

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.

Affected products

• Xerox Altalink B8045 Firmware: before 103.008.020.23120 — fixed in 103.008.020.23120
• Xerox Altalink B8055 Firmware: before 103.008.020.23120 — fixed in 103.008.020.23120
• Xerox Altalink B8065 Firmware: before 103.008.020.23120 — fixed in 103.008.020.23120
• Xerox Altalink B8075 Firmware: before 103.008.020.23120 — fixed in 103.008.020.23120
• Xerox Altalink B8090 Firmware: before 103.008.020.23120 — fixed in 103.008.020.23120
• Xerox Altalink C8030 Firmware: before 103.001.020.23120 — fixed in 103.001.020.23120
• Xerox Altalink C8035 Firmware: before 103.001.020.23120 — fixed in 103.001.020.23120
• Xerox Altalink C8045 Firmware: before 103.002.020.23120 — fixed in 103.002.020.23120
• Xerox Altalink C8055 Firmware: before 103.002.020.23120 — fixed in 103.002.020.23120
• Xerox Altalink C8070 Firmware: before 103.003.020.23120 — fixed in 103.003.020.23120

How to fix

Upgrade to a fixed version: Xerox Altalink B8045 Firmware 103.008.020.23120; Xerox Altalink B8055 Firmware 103.008.020.23120; Xerox Altalink B8065 Firmware 103.008.020.23120; Xerox Altalink B8075 Firmware 103.008.020.23120; Xerox Altalink B8090 Firmware 103.008.020.23120; Xerox Altalink C8030 Firmware 103.001.020.23120; Xerox Altalink C8035 Firmware 103.001.020.23120; Xerox Altalink C8045 Firmware 103.002.020.23120; Xerox Altalink C8055 Firmware 103.002.020.23120; Xerox Altalink C8070 Firmware 103.003.020.23120. Check the vendor advisory for mitigations.

References

• https://securitydocs.business.xerox.com/wp-content/uploads/2020/09/cert_Security_Mini_Bulletin_XRX20R_for_ALB80xx-C80xx-2.pdf
• https://securitydocs.business.xerox.com/wp-content/uploads/2020/09/cert_Security_Mini_Bulletin_XRX20R_for_ALB80xx-C80xx-2.pdf

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