CVE-2021-28670
CVE-2021-28670 is a critical-severity vulnerability in Xerox Altalink B8045 Firmware with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Critical (CVSS 3.x base score 9.1)
- CVSS v2: 6.4
- EPSS exploit prediction: 1% (58th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Xerox Altalink B8045 Firmware
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2021-28670?
- 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.
- How severe is CVE-2021-28670?
- CVE-2021-28670 has a CVSS 3.x base score of 9.1, rated critical 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 high.
- Is CVE-2021-28670 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-28670?
- CVE-2021-28670 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-2021-28670?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-28670 published?
- CVE-2021-28670 was published on 2021-03-29 and last updated on 2026-06-17.
References
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-2019-18629 — High (CVSS 8.1): Xerox AltaLink B8045/B8055/B8065/B8075/B8090 and C8030/C8035/C8045/C8055/C8070 multifunction printers with software…
- CVE-2021-28669 — High (CVSS 7.5): Xerox AltaLink B80xx before 103.008.020.23120, C8030/C8035 before 103.001.020.23120, C8045/C8055 before…
- 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…