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CVE-2021-28671· NVD / CVE Program· CNA mitre

Xerox Phaser 6510 before 64.65.51 and 64.59.11 (Bridge), WorkCentre 6515 before 65.65.51 and 65.59.11 (Bridge), VersaLink B400 before 37.65.

Xerox Phaser 6510 before 64.65.51 and 64.59.11 (Bridge), WorkCentre 6515 before 65.65.51 and 65.59.11 (Bridge), VersaLink B400 before 37.65.51 and 37.59.01 (Bridge), B405 before 38.65.51 and 38.59.01 (Bridge), B600/B610 before 32.65.51 and 32.59.01 (Bridge), B605/B615 before 33.65.51 and 33.59.01 (Bridge), B7025/30/35 before 58.65.51 and 58.59.11 (Bridge), C400 before 67.65.51 and 67.59.01 (Bridge), C405 before 68.65.51 and 68.59.01 (Bridge), C500/C600 before 61.65.51 and 61.59.01 (Bridge), C505/C605 before 62.65.51 and 62.59.01 (Bridge), C7000 before 56.65.51 and 56.59.01 (Bridge), C7020/25/30 before 57.65.51 and 57.59.01 (Bridge), C8000/C9000 before 70.65.51 and 70.59.01 (Bridge), C8000W before 72.65.51 have a remote Command Execution vulnerability in the Web User Interface that allows remote attackers with "a weaponized clone file" to execute arbitrary commands.

CriticalCVSS 9.8 · v3.1—No exploit No fix recorded
Published
Mar 29, 2021
Updated
Jun 16, 2026
EPSS
2.6% · 85th percentile
CWE
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Report tools

JSON

Action score

40

Plan

Add it to your regular patch cycle.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.6%

Noroxi analysis

No Noroxi analysis for this record yet

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Affected systems

VendorProduct
xeroxphaser 6510 firmware
xeroxphaser 6510
xeroxworkcentre 6515 firmware
xeroxworkcentre 6515
xeroxversalink b400 firmware
xeroxversalink b400
xeroxversalink b405 firmware
xeroxversalink b405
xeroxversalink b600 firmware
xeroxversalink b600
xeroxversalink b610 firmware
xeroxversalink b610

and 36 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • xerox phaser 6510 firmwarebefore 64.65.51
  • xerox phaser 6510 firmwarebefore 64.59.11
  • xerox versalink b400 firmwarebefore 37.59.01
  • xerox versalink b400 firmwarebefore 37.65.51
  • xerox versalink b405 firmwarebefore 38.65.51
  • xerox versalink b405 firmwarebefore 38.59.01
  • xerox versalink b600 firmwarebefore 32.65.51
  • xerox versalink b600 firmwarebefore 32.59.01
  • xerox versalink b605 firmwarebefore 33.65.51
  • xerox versalink b605 firmwarebefore 33.59.01
  • xerox versalink b610 firmwarebefore 32.59.01
  • xerox versalink b610 firmwarebefore 32.65.51
  • xerox versalink b615 firmwarebefore 33.59.01
  • xerox versalink b615 firmwarebefore 33.65.51
  • xerox versalink b7025 firmwarebefore 58.59.11
  • xerox versalink b7025 firmwarebefore 58.65.51
  • xerox versalink b7030 firmwarebefore 58.59.11
  • xerox versalink b7030 firmwarebefore 58.65.51
  • xerox versalink b7035 firmwarebefore 58.65.51
  • xerox versalink b7035 firmwarebefore 58.59.11

Other highest-scoring records for the same primary product.

  • CVE-2021-28672Xerox Phaser 6510 before 64.65.51 and 64.59.11 (Bridge), WorkCentre 6515 before 65.65.51 and 65.59.11 (Bridge), VersaLink B400 before 37.65.
    40Plan
  • CVE-2021-28673Xerox 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.
    40Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

—

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

All records