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CVE-2022-21170

13
FAUCET Score

CVE-2022-21170 describes an improper certificate revocation check in several versions of i-FILTER and D-SPA products, allowing a remote unauthenticated attacker to perform a man-in-the-middle attack and eavesdrop on encrypted communications. The vulnerability has a low CVSS score of 3.7, indicating a high attack complexity and limited impact, primarily affecting confidentiality. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.93r04CPE matchmatch criteria
cpe:2.3:a:daj:i-filter_browser_\&_cloud_multiagent:*:*:*:*:*:windows:*:*
<= 9.50r10CPE matchmatch criteria
cpe:2.3:a:daj:i-filter:*:*:*:*:*:*:*:*
>= 10.0, <= 10.45r01CPE matchmatch criteria
cpe:2.3:a:daj:i-filter:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.7LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.97%
Probability of exploitation in next 30 days
EPSS Percentile
58.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0097 is in the 38th percentile among its peer group of 1,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

download.daj.co.jp / user/dspa/V3
Permissions RequiredVendor Advisory
download.daj.co.jp / user/dspa/V4
Permissions RequiredVendor Advisory
download.daj.co.jp / user/ifb
Permissions RequiredVendor Advisory
download.daj.co.jp / user/ifilter/V10
Permissions RequiredVendor Advisory
download.daj.co.jp / user/ifilter/V9
Permissions RequiredVendor Advisory
jvn.jp / en/jp/JVN33214411/index.html
Third Party AdvisoryVDB Entry