How severe is CVE-2020-7918?

CVE-2020-7918 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-7918 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7918?

CVE-2020-7918 affects Totemo Totemomail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7918?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-7918 published?

CVE-2020-7918 was published on 2020-03-27 and last updated on 2026-06-17.

CVE-2020-7918

CVE-2020-7918 is a medium-severity vulnerability in Totemo Totemomail with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 5.5
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Affected product: Totemo Totemomail
Published: 2020-03-27
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-7918?: 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.
How severe is CVE-2020-7918?: CVE-2020-7918 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-7918 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7918?: CVE-2020-7918 affects Totemo Totemomail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7918?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-7918 published?: CVE-2020-7918 was published on 2020-03-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:totemo:totemomail:7.0.0:*:*:*:*:*:*:*

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