CVE-2013-4669

mediumpriority · track · 22EPSS 0.009 · 59 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.87% (59th) EPSS

CVSS 5.4 · medium

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

FortiClient before 4.3.5.472 on Windows, before 4.0.3.134 on Mac OS X, and before 4.0 on Android; FortiClient Lite before 4.3.4.461 on Windows; FortiClient Lite 2.0 through 2.0.0223 on Android; and FortiClient SSL VPN before 4.0.2258 on Linux proceed with an SSL session after determining that the server's X.509 certificate is invalid, which allows man-in-the-middle attackers to obtain sensitive information by leveraging a password transmission that occurs before the user warning about the certificate problem.

cvss

Technical severity, 0–10. One row per scoring source.

5.4

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05.4mediumAV:N/AC:H/Au:N/C:C/I:N/A:Nprimary · NVD / NIST USexploitability 4.9 · impact 6.9

v2.04.6mediumAV:N/AC:H/Au:N/C:C/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-255USprimaryCWE-310USprimary

affected products (6)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
fortinet forticlient≤ 4.0.2nvdUScpe:2.3:a:fortinet:forticlient:*:*:*:*:*:*:*:*
fortinet forticlient≤ 4.3.3.445nvdUScpe:2.3:a:fortinet:forticlient:*:*:*:*:*:*:*:*
fortinet forticlient lite≤ 2.0nvdUScpe:2.3:a:fortinet:forticlient_lite:*:*:*:*:*:*:*:*
fortinet forticlient lite≤ 4.3.3.445nvdUScpe:2.3:a:fortinet:forticlient_lite:*:*:*:*:*:*:*:*
fortinet forticlient ssl vpn≤ 4.0.2012nvdUScpe:2.3:a:fortinet:forticlient_ssl_vpn:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2013-06-25modified 2026-06-16

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references (12)

External citations — patches, advisories, analysis.

scry

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