Security readout for executives and security teams
Plain-English summary
CVE-2021-42760 is a high-severity SQL injection issue in Fortinet FortiWLM. A low-privileged attacker with network access could use crafted requests to read sensitive database information, with the CVSS vector also rating integrity and availability impact as high.
Executive priority
Treat this as a priority remediation item for environments using FortiWLM. The issue can affect sensitive data and system integrity, but urgency should be tied to actual deployment, reachability, and whether Fortinet guidance has already been applied.
Technical view
The flaw is improper neutralization of SQL command elements in FortiWLM versions 8.6.1 and below. The provided CVSS 3.1 score is 8.8, with network attack vector, low complexity, low privileges required, no user interaction, unchanged scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to organizations running Fortinet FortiWLM versions listed as affected, including 8.6.1 through 8.2.2. Risk is higher where FortiWLM is reachable by untrusted or broad internal networks and low-privileged accounts exist.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. The CVSS vector includes E:P, indicating proof-of-concept exploit maturity, but no cited source here confirms weaponized exploitation in the wild.
Researcher notes
Sources identify SQL injection and affected FortiWLM versions but provide limited public technical detail in the supplied bundle. Do not assume affected endpoints, exploit paths, or fixed versions beyond Fortinet advisory confirmation.
Mitigation direction
- Inventory all FortiWLM deployments and record exact software versions.
- Review Fortinet FG-IR-21-129 for vendor upgrade or workaround guidance.
- Apply Fortinet-recommended remediation to affected FortiWLM systems.
- Reduce network reachability to FortiWLM while remediation is pending.
- Review low-privileged FortiWLM accounts and remove unnecessary access.
Validation and detection
- Confirm whether any FortiWLM instance runs 8.6.1 or an affected earlier listed version.
- Check asset inventory for exposed FortiWLM management or application interfaces.
- Review FortiWLM logs for unusual low-privileged requests or database access patterns.
- Verify remediation status against Fortinet FG-IR-21-129 after changes.
- Document exceptions where vendor guidance cannot yet be applied.
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.
Database behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-42760 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
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:C
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:H/I:H/A:H/E:P/RL:X/RC:C2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://fortiguard.com/advisory/FG-IR-21-129CVE 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.