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Critical severity9.8NVD Advisory· Published Jan 14, 2021· Updated Jun 17, 2026

CVE-2020-29016

CVE-2020-29016

Description

A stack-based buffer overflow vulnerability in FortiWeb 6.3.0 through 6.3.5 and version before 6.2.4 may allow an unauthenticated, remote attacker to overwrite the content of the stack and potentially execute arbitrary code by sending a crafted request with a large certname.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Fortinet/Fortiweb3 versions
    cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*range: <6.2.4
    • (no CPE)range: 6.3.0 - 6.3.5, < 6.2.4
    • (no CPE)range: FortiWeb 6.3.0 through 6.3.5 and version before 6.2.4

Patches

Vulnerability mechanics

References

1

News mentions

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