Skip to content
Fencer Vulns
medium 5.4

CVE-2020-7918 json

An insecure direct object reference in webmail in totemo totemomail 7.0.0 allows an authenticated remote user to read and modify mail folde…

published 2020-03-27 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-28850

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

An insecure direct object reference in webmail in totemo totemomail 7.0.0 allows an authenticated remote user to read and modify mail folder names of other users via enumeration.

Exploit prediction

0.73% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD 2.0 5.5 AV:N/AC:L/Au:S/C:P/I:P/A:N

Classification

Weakness
  • CWE-639 Authorization Bypass Through User-Controlled Key

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.