Is CVE-2017-8059 actively exploited?

No active exploitation of CVE-2017-8059 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-8059 be exploited remotely?

Yes. CVE-2017-8059 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-8059?

CVE-2017-8059 has a CVSS score of 8.1 (HIGH).

HOME VULNERABILITIESCVE-2017-8059

HIGH

CVE-2017-8059

CWE-295Published: May 5, 2017· Updated: Jun 17, 2026

8.1

CVSS v3.1

Official Description

Acceptance of invalid/self-signed TLS certificates in "Foxit PDF - PDF reader, editor, form, signature" before 5.4 for iOS allows a man-in-the-middle and/or physically proximate attacker to silently intercept login information (username/password), in addition to the static authentication token if the user is already logged in.

NVD Source

Technical Analysis

CVE-2017-8059 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.