How severe is CVE-2021-28669?

CVE-2021-28669 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-28669 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-28669?

CVE-2021-28669 primarily affects Xerox Altalink B8045 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-28669?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-28669 published?

CVE-2021-28669 was published on 2021-03-29 and last updated on 2026-06-17.

CVE-2021-28669

CVE-2021-28669 is a high-severity vulnerability in Xerox Altalink B8045 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Xerox Altalink B8045 Firmware
Published: 2021-03-29
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-28669?: 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.
How severe is CVE-2021-28669?: CVE-2021-28669 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-28669 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-28669?: CVE-2021-28669 primarily affects Xerox Altalink B8045 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-28669?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-28669 published?: CVE-2021-28669 was published on 2021-03-29 and last updated on 2026-06-17.

References

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

Affected products (10)

cpe:2.3:o:xerox:altalink_b8045_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:altalink_b8055_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:altalink_b8065_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:altalink_b8075_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:altalink_b8090_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:altalink_c8030_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:altalink_c8035_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:altalink_c8045_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:altalink_c8055_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:xerox:altalink_c8070_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Xerox Altalink B8045 Firmware

CVE-2019-10881 — Critical (CVSS 9.8): Xerox AltaLink B8045/B8055/B8065/B8075/B8090, AltaLink C8030/C8035/C8045/C8055/C8070 with software releases before…
CVE-2021-28668 — Critical (CVSS 9.8): Xerox AltaLink B80xx before 103.008.020.23120, C8030/C8035 before 103.001.020.23120, C8045/C8055 before…
CVE-2018-17172 — Critical (CVSS 9.8): The web application on Xerox AltaLink B80xx before 100.008.028.05200, C8030/C8035 before 100.001.028.05200, C8045/C8055…
CVE-2021-28670 — Critical (CVSS 9.1): Xerox AltaLink B8045/B8090 before 103.008.030.32000, C8030/C8035 before 103.001.030.32000, C8045/C8055 before…
CVE-2019-18629 — High (CVSS 8.1): Xerox AltaLink B8045/B8055/B8065/B8075/B8090 and C8030/C8035/C8045/C8055/C8070 multifunction printers with software…
CVE-2019-18630 — High (CVSS 7.5): On Xerox AltaLink B8045/B8055/B8065/B8075/B8090 and C8030/C8035/C8045/C8055/C8070 multifunction printers with software…

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