CVE-2021-28670

Name: CVE-2021-28670
Creator: NVD / NIST
Published: 2021-03-29T18:15:13.203+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 0.97%

Last modified Jun 17, 2026

CVE-2021-28670 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. Xerox AltaLink B8045/B8090 before 103.008.030.32000, C8030/C8035 before 103.001.030.32000, C8045/C8055 before 103.002.030.32000 and C8070 before 103.003.030.32000 allow unauthorized users, by leveraging the Scan To Mailbox feature, to delete arbitrary files from the disk.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

Description

Xerox AltaLink B8045/B8090 before 103.008.030.32000, C8030/C8035 before 103.001.030.32000, C8045/C8055 before 103.002.030.32000 and C8070 before 103.003.030.32000 allow unauthorized users, by leveraging the Scan To Mailbox feature, to delete arbitrary files from the disk.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EPSS Probability

0.97%

57.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
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

References

https://securitydocs.business.xerox.com/wp-content/uploads/2020/12/cert_Security_Mini_Bulletin_XRX20X_for_ALB80xx-C80xxv.pdfPatch, Vendor Advisory
https://securitydocs.business.xerox.com/wp-content/uploads/2020/12/cert_Security_Mini_Bulletin_XRX20X_for_ALB80xx-C80xxv.pdfPatch, Vendor Advisory

Timeline

Published: Mar 29, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-28670?

How severe is CVE-2021-28670?

CVE-2021-28670 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2021-28670?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-28670?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST