How severe is CVE-2020-29012?

CVE-2020-29012 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2020-29012 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-29012?

CVE-2020-29012 affects Fortinet Fortisandbox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-29012?

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

When was CVE-2020-29012 published?

CVE-2020-29012 was published on 2021-09-08 and last updated on 2026-06-17.

CVE-2020-29012

CVE-2020-29012 is a medium-severity vulnerability in Fortinet Fortisandbox with a CVSS 3.x base score of 5.6. 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-613.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
CVSS v2: 5.0
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-613
Affected product: Fortinet Fortisandbox
Published: 2021-09-08
Last modified: 2026-06-17

Description

An insufficient session expiration vulnerability in FortiSandbox versions 3.2.1 and below may allow an attacker to reuse the unexpired admin user session IDs to gain information about other users configured on the device, should the attacker be able to obtain that session ID (via other, hypothetical attacks)

Frequently asked questions

What is CVE-2020-29012?: An insufficient session expiration vulnerability in FortiSandbox versions 3.2.1 and below may allow an attacker to reuse the unexpired admin user session IDs to gain information about other users configured on the device, should the attacker be able to obtain that session ID (via other, hypothetical attacks)
How severe is CVE-2020-29012?: CVE-2020-29012 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2020-29012 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-29012?: CVE-2020-29012 affects Fortinet Fortisandbox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29012?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-29012 published?: CVE-2020-29012 was published on 2021-09-08 and last updated on 2026-06-17.

References

https://fortiguard.com/advisory/FG-IR-20-070

Affected products (1)

cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*

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