CVSS 4.0
2.3 lowCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:NCVE-2026-116081 fenrir inc.: Improper Certificate Validation
Low (2.3) in fenrir inc.. EPSS 0.2% estimated probability of exploitation activity in the next 30 days.
On this page
Sleipnir Mobile for iPhone / iPad and Sleipnir Mobile for iPhone / iPad Black Edition provided by Fenrir Inc. are vulnerable to improper certificate verification. A man-in-the-middle attack may allow an attacker to eavesdrop on an encrypted communication.
Severity
CVSS 3.1
4.2 mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N- EPSS
- 0.2% estimated probability of exploitation activity in the next 30 days; 6th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CWE
- CWE-295 Improper Certificate Validation
- OWASP Top 10
- A07:2025 Authentication Failures
- Published
- Modified
- Assigned by
- jpcert (CNA)
- NVD analysis
- Deferred: the NVD does not plan to analyze it
- Record from
- the NVD, synced
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Affected
- fenrir inc.:sleipnir mobile for iphone / ipad
- fenrir inc.:sleipnir mobile for iphone / ipad black edition
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Fenrir Inc. Sleipnir Mobile for iPhone / iPad | through v4.15.1 |
| Fenrir Inc. Sleipnir Mobile for iPhone / iPad Black Edition | through v4.15.1 |
Attack patterns (CAPEC)
- CAPEC-459 Creating a Rogue Certification Authority Certificate Likelihood: Medium · Severity: Very High
- CAPEC-475 Signature Spoofing by Improper Validation Likelihood: Low · Severity: High
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.
History
- The NVD deferred its analysis
Changes since this site first stored the record. The same for every record: /api/public/changes.