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Fencer Vulns
low 3.7

CVE-2016-6586 json

A security bypass vulnerability exists in Symantec Norton Mobile Security for Android before 3.16, which could let a malicious user conduct…

published 2020-01-08 6 y ago modified 2026-06-17 4 mo ago also EUVD-2016-7504

cvss
3.7
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

A security bypass vulnerability exists in Symantec Norton Mobile Security for Android before 3.16, which could let a malicious user conduct a man-in-the-middle via specially crafted JavaScript to add arbitrary URLs to the URL whitelist.

Patch / fix

  • symantec norton_mobile_security 3.16

Exploit prediction

1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • Symantec Norton Mobile Security for Android

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.