CVE-2022-21170

Name: CVE-2022-21170
Creator: NVD / NIST
Published: 2022-03-10T17:45:10.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.7/10EPSS 0.95%

Last modified Jun 17, 2026

CVE-2022-21170 is a low-severity vulnerability rated 3.7/10 on the CVSS scale. Improper check for certificate revocation in i-FILTER Ver.10.45R01 and earlier, i-FILTER Ver.9.50R10 and earlier, i-FILTER Browser & Cloud MultiAgent for Windows Ver.4.93R04 and earlier, and D-SPA (Ver.3 / Ver.4) using i-FILTER allows a remote unauthenticated attacker to conduct a man-in-the-middle attack and eavesdrop on an encrypted communication.. EPSS estimates a 0.95% chance of exploitation in the next 30 days.

Description

Improper check for certificate revocation in i-FILTER Ver.10.45R01 and earlier, i-FILTER Ver.9.50R10 and earlier, i-FILTER Browser & Cloud MultiAgent for Windows Ver.4.93R04 and earlier, and D-SPA (Ver.3 / Ver.4) using i-FILTER allows a remote unauthenticated attacker to conduct a man-in-the-middle attack and eavesdrop on an encrypted communication.

Metrics

CVSS 3.1

3.7/10

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

EPSS Probability

0.95%

56.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

Affected Software

Vendor	Product	Versions
Daj	I-Filter Browser \& Cloud Multiagent	<= 4.93r04
Daj	I-Filter	<= 9.50r10
Daj	I-Filter	>= 10.0, <= 10.45r01

References

https://download.daj.co.jp/user/dspa/V3/Permissions Required, Vendor Advisory
https://download.daj.co.jp/user/dspa/V4/Permissions Required, Vendor Advisory
https://download.daj.co.jp/user/ifb/Permissions Required, Vendor Advisory
https://download.daj.co.jp/user/ifilter/V10/Permissions Required, Vendor Advisory
https://download.daj.co.jp/user/ifilter/V9/Permissions Required, Vendor Advisory
https://jvn.jp/en/jp/JVN33214411/index.htmlThird Party Advisory, VDB Entry
https://download.daj.co.jp/user/dspa/V3/Permissions Required, Vendor Advisory
https://download.daj.co.jp/user/dspa/V4/Permissions Required, Vendor Advisory
https://download.daj.co.jp/user/ifb/Permissions Required, Vendor Advisory
https://download.daj.co.jp/user/ifilter/V10/Permissions Required, Vendor Advisory
https://download.daj.co.jp/user/ifilter/V9/Permissions Required, Vendor Advisory
https://jvn.jp/en/jp/JVN33214411/index.htmlThird Party Advisory, VDB Entry

Timeline

Published: Mar 10, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-21170?

How severe is CVE-2022-21170?

CVE-2022-21170 has a CVSS score of 3.7/10 (LOW severity). The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.

How do I fix CVE-2022-21170?

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-2022-21170?

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

Scan your code now

Source: NVD / NIST