CVE-2021-20679

Name: CVE-2021-20679
Creator: NVD / NIST
Published: 2021-03-25T06:15:17.14+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.55%

Last modified Jun 17, 2026

CVE-2021-20679 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Fuji Xerox multifunction devices and printers (DocuCentre-VII C7773/C6673/C5573/C4473/C3373/C3372/C2273, DocuCentre-VII C7788/C6688/C5588, ApeosPort-VII C7773/C6673/C5573/C4473/C3373/C3372 C2273, ApeosPort-VII C7788/C6688/C5588, ApeosPort C7070/C6570/C5570/C4570/C3570/C3070/C7070G/C6570G/C5570G/C4570G/C3570G/C3070G, ApeosPort-VII C4421/C3321, ApeosPort C3060/C2560/C2060/C3060G/C2560G/C2060G, ApeosPort-VII CP4421, ApeosPort Print C5570, ApeosPort 5570/4570/5570G/4570G, ApeosPort 3560/3060/2560/3560G/3060G/2560G, ApeosPort-VII 5021/ 4021, ApeosPort-VII P5021, DocuPrint CP 555 d/505 d, DocuPrint P505 d, PrimeLink C9065/C9070, DocuPrint CP475AP, and DocuPrint P475AP) allow an attacker to cause a denial of service (DoS) condition and abnormal end (ABEND) of the affected products via sending a specially crafted command.. EPSS estimates a 1.55% chance of exploitation in the next 30 days.

Description

Fuji Xerox multifunction devices and printers (DocuCentre-VII C7773/C6673/C5573/C4473/C3373/C3372/C2273, DocuCentre-VII C7788/C6688/C5588, ApeosPort-VII C7773/C6673/C5573/C4473/C3373/C3372 C2273, ApeosPort-VII C7788/C6688/C5588, ApeosPort C7070/C6570/C5570/C4570/C3570/C3070/C7070G/C6570G/C5570G/C4570G/C3570G/C3070G, ApeosPort-VII C4421/C3321, ApeosPort C3060/C2560/C2060/C3060G/C2560G/C2060G, ApeosPort-VII CP4421, ApeosPort Print C5570, ApeosPort 5570/4570/5570G/4570G, ApeosPort 3560/3060/2560/3560G/3060G/2560G, ApeosPort-VII 5021/ 4021, ApeosPort-VII P5021, DocuPrint CP 555 d/505 d, DocuPrint P505 d, PrimeLink C9065/C9070, DocuPrint CP475AP, and DocuPrint P475AP) allow an attacker to cause a denial of service (DoS) condition and abnormal end (ABEND) of the affected products via sending a specially crafted command.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.55%

71.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Fujixerox	Docucentre-Vii C7773 Firmware	All versions
Fujixerox	Docucentre-Vii C6673 Firmware	All versions
Fujixerox	Docucentre-Vii C5573 Firmware	All versions
Fujixerox	Docucentre-Vii C4473 Firmware	All versions
Fujixerox	Docucentre-Vii C3373 Firmware	All versions
Fujixerox	Docucentre-Vii C3372 Firmware	All versions
Fujixerox	Docucentre-Vii C2273 Firmware	All versions
Fujixerox	Apeosport C2570 Firmware	All versions
Fujixerox	Apeosport-Vii C4422 Firmware	All versions
Fujixerox	Apeosport-Vii C3322 Firmware	All versions
Fujixerox	Apeosport C2360 Firmware	All versions
Fujixerox	Apeosport C2060 Firmware	All versions
Fujixerox	Apeosport-Vii Cp4422 Firmware	All versions
Fujixerox	Apeosport-Vii Cp3322 Firmware	All versions
Fujixerox	Apeosport Print C4570 Firmware	All versions
Fujixerox	Apeosport 3570 Firmware	All versions
Fujixerox	Apeosport 1860 Firmware	All versions
Fujixerox	Apeosport-Vii 5022 Firmware	All versions
Fujixerox	Apeosport-Vii P4022 Firmware	All versions
Fujixerox	Docucentre-Vi C2264 Firmware	All versions
Fujixerox	Docuprint Cp500 D Firmware	All versions
Fujixerox	Docucentre-Vii C7788 Firmware	All versions
Fujixerox	Docucentre-Vii C6688 Firmware	All versions
Fujixerox	Docucentre-Vii C5588 Firmware	All versions
Fujixerox	Apeosport-Vii C7773 Firmware	All versions
Fujixerox	Apeosport-Vii C6673 Firmware	All versions
Fujixerox	Apeosport-Vii C5573 Firmware	All versions
Fujixerox	Apeosport-Vii C4473 Firmware	All versions
Fujixerox	Apeosport-Vii C3373 Firmware	All versions
Fujixerox	Apeosport-Vii C3372 Firmware	All versions
Fujixerox	Apeosport-Vii C2273 Firmware	All versions
Fujixerox	Apeosport-Vii C7788 Firmware	All versions
Fujixerox	Apeosport-Vii C6688 Firmware	All versions
Fujixerox	Apeosport-Vii C5588 Firmware	All versions
Fujixerox	Apeosport C7070 Firmware	All versions
Fujixerox	Apeosport C6570 Firmware	All versions
Fujixerox	Apeosport C5570 Firmware	All versions
Fujixerox	Apeosport C4570 Firmware	All versions
Fujixerox	Apeosport C3570 Firmware	All versions
Fujixerox	Apeosport C3070 Firmware	All versions
Fujixerox	Apeosport C7070g Firmware	All versions
Fujixerox	Apeosport C6570g Firmware	All versions
Fujixerox	Apeosport C5570g Firmware	All versions
Fujixerox	Apeosport C4570g Firmware	All versions
Fujixerox	Apeosport C3570g Firmware	All versions
Fujixerox	Apeosport C3070g Firmware	All versions
Fujixerox	Apeosport-Vii C4421 Firmware	All versions
Fujixerox	Apeosport-Vii C3321 Firmware	All versions
Fujixerox	Apeosport C3060 Firmware	All versions
Fujixerox	Apeosport C2560 Firmware	All versions

Showing 50 of 75 affected configurations. See NVD for the full list.

References

https://jvn.jp/en/jp/JVN37607293/index.htmlThird Party Advisory
https://www.fujixerox.co.jp/company/news/notice/2021/0319_announce.htmlVendor Advisory
https://www.fujixerox.com/eng/company/news/notice/2021/0319_announce.htmlVendor Advisory
https://jvn.jp/en/jp/JVN37607293/index.htmlThird Party Advisory
https://www.fujixerox.co.jp/company/news/notice/2021/0319_announce.htmlVendor Advisory
https://www.fujixerox.com/eng/company/news/notice/2021/0319_announce.htmlVendor Advisory

Timeline

Published: Mar 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20679?

How severe is CVE-2021-20679?

CVE-2021-20679 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.55% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20679?

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-2021-20679?

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

Scan your code now

Source: NVD / NIST