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 6y ago modified 2026-06-17 4mo 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

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.

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Exploit prediction

0.73% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-09).

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

totemo.com /en/solutions/email-encryption
product, vendor-advisory
objectif-securite.ch /2020/03/20/IDOR-totemo-mail-folder.html
third-party-advisory

Sources

CVE List CVE-2020-7918
NVD CVE-2020-7918

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