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CVE-2022-21170
Improper check for certificate revocation in i-FILTER Ver.10.45R01 and earlier, i-FILTER Ver.9.50R10 and earlier, i-FILTER Browser & Cloud…
Low3.7EPSS 0.98%
- Published
- Updated
- Reserved
- Assigned by
- jpcert
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Low3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.98% · top 37% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.7.
Weakness
- Improper check for certificate revocation
- CWE-295 (opens in a new tab)All about CWE-295 and its CVEs
Affected products
Digital Arts Inc. · i-FILTER, i-FILTER Browser & Cloud MultiAgent for Windows, and D-SPA using i-FILTER
- affected 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
References (6)
- https://download.daj.co.jp/user/ifilter/V10/ (opens in a new tab)x_refsource_MISCx_transferred
- https://download.daj.co.jp/user/ifilter/V9/ (opens in a new tab)x_refsource_MISCx_transferred
- https://download.daj.co.jp/user/ifb/ (opens in a new tab)x_refsource_MISCx_transferred
- https://download.daj.co.jp/user/dspa/V4/ (opens in a new tab)x_refsource_MISCx_transferred
- https://download.daj.co.jp/user/dspa/V3/ (opens in a new tab)x_refsource_MISCx_transferred
- https://jvn.jp/en/jp/JVN33214411/index.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2022-21170)Record last updated .