CVE-2021-28673
No exploitation reported by the sources we read.
- Published2021-03-29
- Fixed in64.61.23 · 64.59.11
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
Xerox Phaser 6510 before 64.61.23 and 64.59.11 (Bridge), WorkCentre 6515 before 65.61.23 and 65.59.11 (Bridge), VersaLink B400 before 37.61.23 and 37.59.01 (Bridge), B405 before 38.61.23 and 38.59.01 (Bridge), B600/B610 before 32.61.23 and 32.59.01 (Bridge), B605/B615 before 33.61.23 and 33.59.01 (Bridge), B7025/30/35 before 58.61.23 and 58.59.11 (Bridge), C400 before 67.61.23 and 67.59.01 (Bridge), C405 before 68.61.23 and 68.59.01 (Bridge), C500/C600 before 61.61.23 and 61.59.01 (Bridge), C505/C605 before 62.61.23 and 62.59.11 (Bridge), C7000 before 56.61.23 and 56.59.01 (Bridge), C7020/25/30 before 57.61.23 and 57.59.01 (Bridge), C8000/C9000 before 70.61.23 and 70.59.01 (Bridge), allows remote attackers with "a weaponized clone file" to execute arbitrary commands in the Web User Interface.
Timeline
dates in UTC- 2021-03-2920:15CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 18:48 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-28673?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-28673?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 64.61 | < 64.61.23 | 64.61.23 | NVD |
| 64.59 | < 64.59.11 | 64.59.11 | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 37.61 | < 37.61.23 | 37.61.23 | NVD |
| 37.59 | < 37.59.01 | 37.59.01 | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 38.61 | < 38.61.23 | 38.61.23 | NVD |
| 38.59 | < 38.59.01 | 38.59.01 | NVD |
20 more products in the sources.
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
- Update Xerox phaser 6510 firmware to 64.61.23 · 64.59.11
Advisories and patches
- securitydocs.business.xerox.comVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
- NVDCVSS 3.19.8read 2026-10-23
- NVDCVSS 2.07.5read 2026-10-23
- FIRST EPSSEPSS score1.9 %2026-10-22
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- 2021-03-29
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2021-28673?
Is CVE-2021-28673 actively exploited?
What is the CVSS score for CVE-2021-28673?
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