Security readout for executives and security teams
Plain-English summary
FortiGate configuration backups from affected FortiOS versions used a hard-coded cryptographic key to protect sensitive values. Anyone who obtains a backup file may be able to recover user passwords, private key passphrases, and HA passwords. The administrator password is specifically excluded in the source description.
Executive priority
Treat this as high priority despite medium CVSS because CISA KEV confirms known exploitation and the vulnerability can expose credentials and private key passphrases from backups.
Technical view
CVE-2019-6693 is CWE-798 in FortiOS configuration backup encryption. A hard-coded key can allow decryption of sensitive backup contents when an attacker has backup-file access. Affected versions listed are FortiGate 5.6.9 and below, 6.0.5 and below, and 6.2.0.
Likely exposure
Exposure is most likely where affected FortiGate/FortiOS versions exist and configuration backups are stored, shared, emailed, retained, or accessible to users or systems beyond strict administrators.
Exploitation context
CISA KEV lists this CVE as known exploited. The supplied sources do not describe campaigns, tooling, or exploitation details. The practical risk depends on attacker access to FortiOS configuration backup files.
Researcher notes
Do not assume device compromise from this CVE alone. The source evidence centers on backup-file confidentiality. Validate FortiOS version, backup handling, and whether sensitive values in backups could have been accessed by unauthorized parties.
Mitigation direction
- Identify FortiGate devices running listed affected FortiOS versions.
- Review Fortinet advisory FG-IR-19-007 for vendor-approved fixed versions and guidance.
- Restrict access to FortiOS configuration backup files immediately.
- Rotate potentially exposed user passwords, private key passphrases, and HA passwords.
- Remove unnecessary backup copies from shared stores, tickets, email, and archives.
- Prioritize KEV-driven remediation according to organizational vulnerability policy.
Validation and detection
- Inventory FortiGate/FortiOS versions against the affected version ranges.
- Locate all stored FortiOS configuration backups and confirm access controls.
- Check whether backups were exposed through shared drives, email, tickets, or repositories.
- Verify completion of credential and passphrase rotation for exposed backup periods.
- Confirm remediation status against Fortinet advisory and CISA KEV tracking.
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.
CWE-798: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential 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-2019-6693 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
- 6.5 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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.
CISA KEV status
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:H/I:N/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://fortiguard.com/advisory/FG-IR-19-007CVE reference · x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-6693CVE reference · government-resource
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.
Use of Hard-coded Credentials
Use of Hard-coded Credentials represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.