CVE-2021-36179
CVE-2021-36179 is a high-severity vulnerability in Fortinet Fortiweb with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 8.0)
- CVSS v2: 6.5
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Fortinet Fortiweb
- Published:
- Last modified:
Description
A stack-based buffer overflow in Fortinet FortiWeb version 6.3.14 and below, 6.2.4 and below allows attacker to execute unauthorized code or commands via crafted parameters in CLI command execution
Frequently asked questions
- What is CVE-2021-36179?
- A stack-based buffer overflow in Fortinet FortiWeb version 6.3.14 and below, 6.2.4 and below allows attacker to execute unauthorized code or commands via crafted parameters in CLI command execution
- How severe is CVE-2021-36179?
- CVE-2021-36179 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-36179 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-36179?
- CVE-2021-36179 affects Fortinet Fortiweb. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-36179?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-36179 published?
- CVE-2021-36179 was published on 2021-09-08 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*
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