CVE-2016-6231

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Summary

CVECVE-2016-6231
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-08-25 18:59:01 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionKaspersky Safe Browser iOS before 1.7.0 does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to obtain sensitive information via a crafted certificate.

Risk And Classification

Primary CVSS: v3.0 5.9 MEDIUM from [email protected]

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.001920000 probability, percentile 0.407430000 (date 2026-05-06)

Problem Types: CWE-200 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary5.9MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:M/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Kaspersky Safe Browser All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Kaspersky Safe Browser iOS Application - MITM SSL Certificate Vulnerability (CVE-2016-6231) - Info-Sec.CA af854a3a-2127-422b-91ae-364da2661108 www.info-sec.ca Third Party Advisory
List of Advisories af854a3a-2127-422b-91ae-364da2661108 support.kaspersky.com Third Party Advisory
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Full Disclosure: Kaspersky Safe Browser iOS Application - MITM SSL Certificate Vulnerability (CVE-2016-6231) af854a3a-2127-422b-91ae-364da2661108 seclists.org Third Party Advisory, VDB Entry
Kaspersky Safe Browser CVE-2016-6231 SSL Certificate Validation Security Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
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