How severe is CVE-2015-3613?

CVE-2015-3613 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-3613 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3613?

CVE-2015-3613 affects Fortinet Fortimanager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-3613?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2015-3613 published?

CVE-2015-3613 was published on 2020-02-04 and last updated on 2026-06-17.

CVE-2015-3613

CVE-2015-3613 is a critical-severity vulnerability in Fortinet Fortimanager with a CVSS 3.x base score of 9.8. 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-269.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Fortinet Fortimanager
Published: 2020-02-04
Last modified: 2026-06-17

Description

A vulnerability exists in in FortiManager 5.2.1 and earlier and 5.0.10 and earlier in the WebUI FTP backup page

Frequently asked questions

What is CVE-2015-3613?: A vulnerability exists in in FortiManager 5.2.1 and earlier and 5.0.10 and earlier in the WebUI FTP backup page
How severe is CVE-2015-3613?: CVE-2015-3613 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-3613 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3613?: CVE-2015-3613 affects Fortinet Fortimanager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-3613?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-3613 published?: CVE-2015-3613 was published on 2020-02-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fortinet:fortimanager:*:*:*:*:*:*:*:*

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