CVE-2020-5521

Name: CVE-2020-5521
Creator: NVD / NIST
Published: 2020-01-27T10:15:12.183+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2020-5521 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. The kantan netprint App for iOS 2.0.2 and earlier does not verify X.509 certificates from servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

The kantan netprint App for iOS 2.0.2 and earlier does not verify X.509 certificates from servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Metrics

CVSS 3.1

7.4/10

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

EPSS Probability

0.52%

40.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

Affected Software

Vendor	Product	Versions
Fujixerox	Easy Netprint	<= 2.0.2

References

http://jvn.jp/en/jp/JVN66435380/index.htmlThird Party Advisory
https://www.printing.ne.jp/support/information/AppVulnerability.htmlThird Party Advisory
http://jvn.jp/en/jp/JVN66435380/index.htmlThird Party Advisory
https://www.printing.ne.jp/support/information/AppVulnerability.htmlThird Party Advisory

Timeline

Published: Jan 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5521?

How severe is CVE-2020-5521?

CVE-2020-5521 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5521?

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-2020-5521?

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

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Source: NVD / NIST