CVE-2021-42756
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Multiple stack-based buffer overflow vulnerabilities [CWE-121] in the proxy daemon of FortiWeb 5.x all versions, 6.0.7 and below, 6.1.2 and below, 6.2.6 and below, 6.3.16 and below, 6.4 all versions may allow an unauthenticated remote attacker to achieve arbitrary code execution via specifically crafted HTTP requests.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
FortiWeb
- Vendor
- Fortinet
- Product
- FortiWeb
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 6.4.0 | affected | semver | Unavailable | 6.4.1 | None listed |
| 6.3.0 | affected | semver | Unavailable | 6.3.16 | None listed |
| 6.2.0 | affected | semver | Unavailable | 6.2.6 | None listed |
| 6.1.0 | affected | semver | Unavailable | 6.1.2 | None listed |
| 6.0.0 | affected | semver | Unavailable | 6.0.7 | None listed |
| 5.9.0 | affected | semver | Unavailable | 5.9.1 | None listed |
| 5.8.5 | affected | semver | Unavailable | 5.8.7 | None listed |
| 5.8.0 | affected | semver | Unavailable | 5.8.3 | None listed |
| 5.7.0 | affected | semver | Unavailable | 5.7.3 | None listed |
| 5.6.0 | affected | semver | Unavailable | 5.6.2 | None listed |
| 5.8.0 | affected | semver | 5.8.* | Unavailable | None listed |
| 5.7.0 | affected | semver | 5.7.* | Unavailable | None listed |
| 5.6.0 | affected | semver | 5.6.* | Unavailable | None listed |