Security readout for executives and security teams
Plain-English summary
FortiADC could expose stored LDAP passwords and RADIUS shared secrets to a logged-in remote user through the GUI. This is not described as unauthenticated or destructive, but it can turn a low-privilege appliance account into access to sensitive identity infrastructure secrets.
Executive priority
Treat this as a moderate priority credential-exposure issue. It is most urgent where FortiADC administration is exposed beyond a small trusted operations group or where LDAP and RADIUS secrets grant broad downstream access.
Technical view
CVE-2020-15935 is cleartext storage or weak obfuscation of sensitive GUI fields in FortiADC 5.4.3 and below, and 6.0.0 and below. A remote authenticated attacker with low privileges may deobfuscate password entry fields and retrieve LDAP passwords or RADIUS shared secrets.
Likely exposure
Exposure is limited to organizations running affected FortiADC versions where an attacker can authenticate to the GUI. Risk increases if the management interface is internet-reachable or broadly accessible internally.
Exploitation context
The bundle does not cite active exploitation, and the CVE is not marked KEV. The CVSS vector indicates network access, low privileges, no user interaction, and limited confidentiality impact.
Researcher notes
The source bundle names affected versions and the sensitive fields at risk, but does not provide patch version details or observed exploitation evidence. Avoid assuming compromise without logs or vendor confirmation.
Mitigation direction
- Inventory FortiADC versions and identify 5.4.3 or below, and 6.0.0 or below.
- Review Fortinet advisory FG-IR-20-044 for vendor upgrade or mitigation guidance.
- Restrict FortiADC GUI access to trusted management networks or VPN users.
- Remove unnecessary GUI accounts and enforce least-privilege administration.
- After remediation, rotate any LDAP passwords or RADIUS shared secrets that may have been exposed.
Validation and detection
- Confirm affected FortiADC version numbers from appliance inventory or management records.
- Review FortiADC GUI access controls and exposed management paths.
- Audit FortiADC administrative accounts for unnecessary or low-trust users.
- Check whether LDAP and RADIUS secrets were stored in affected GUI configuration fields.
- Look for suspicious authenticated GUI access during the relevant exposure window.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-15935 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:F/RL:X/RC:X
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:F/RL:X/RC:X2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:F/RL:X/RC:X
Source materials
- CVE List V5 sourceCVE List V5
- https://fortiguard.com/advisory/FG-IR-20-044CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.