How severe is CVE-2020-15935?

CVE-2020-15935 has a CVSS 3.x base score of 4.3, 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 none, and availability none.

Is CVE-2020-15935 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15935?

CVE-2020-15935 affects Fortinet Fortiadc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15935?

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

When was CVE-2020-15935 published?

CVE-2020-15935 was published on 2021-11-02 and last updated on 2026-06-17.

CVE-2020-15935

CVE-2020-15935 is a medium-severity vulnerability in Fortinet Fortiadc with a CVSS 3.x base score of 4.3. 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-312.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Fortinet Fortiadc
Published: 2021-11-02
Last modified: 2026-06-17

Description

A cleartext storage of sensitive information in GUI in FortiADC versions 5.4.3 and below, 6.0.0 and below may allow a remote authenticated attacker to retrieve some sensitive information such as users LDAP passwords and RADIUS shared secret by deobfuscating the passwords entry fields.

Frequently asked questions

What is CVE-2020-15935?: A cleartext storage of sensitive information in GUI in FortiADC versions 5.4.3 and below, 6.0.0 and below may allow a remote authenticated attacker to retrieve some sensitive information such as users LDAP passwords and RADIUS shared secret by deobfuscating the passwords entry fields.
How severe is CVE-2020-15935?: CVE-2020-15935 has a CVSS 3.x base score of 4.3, 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 none, and availability none.
Is CVE-2020-15935 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15935?: CVE-2020-15935 affects Fortinet Fortiadc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15935?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-15935 published?: CVE-2020-15935 was published on 2021-11-02 and last updated on 2026-06-17.

References

https://fortiguard.com/advisory/FG-IR-20-044

Affected products (1)

cpe:2.3:a:fortinet:fortiadc:*:*:*:*:*:*:*:*

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