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Fencer Vulns
medium 5.3

CVE-2020-15933 json

A exposure of sensitive information to an unauthorized actor in Fortinet FortiMail versions 6.0.9 and below, FortiMail versions 6.2.4 and b…

published 2022-01-05 4 y ago modified 2026-06-17 4 mo ago also EUVD-2020-7904

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

A exposure of sensitive information to an unauthorized actor in Fortinet FortiMail versions 6.0.9 and below, FortiMail versions 6.2.4 and below FortiMail versions 6.4.1 and 6.4.0 allows attacker to obtain potentially sensitive software-version information via client-side resources inspection.

Patch / fix

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:X/RC:X
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • Fortinet Fortinet FortiMail

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Technology feeds

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.