CVE-2020-29018
CVE-2020-29018 is a high-severity vulnerability in Fortinet Fortiweb with a CVSS 3.x base score of 8.8. 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-134.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 2% (79th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-134
- Affected product: Fortinet Fortiweb
- Published:
- Last modified:
Description
A format string vulnerability in FortiWeb 6.3.0 through 6.3.5 may allow an authenticated, remote attacker to read the content of memory and retrieve sensitive data via the redir parameter.
Frequently asked questions
- What is CVE-2020-29018?
- A format string vulnerability in FortiWeb 6.3.0 through 6.3.5 may allow an authenticated, remote attacker to read the content of memory and retrieve sensitive data via the redir parameter.
- How severe is CVE-2020-29018?
- CVE-2020-29018 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-29018 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-29018?
- CVE-2020-29018 affects Fortinet Fortiweb. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-29018?
- 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-2020-29018 published?
- CVE-2020-29018 was published on 2021-01-14 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*
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Other CWE-134 vulnerabilities
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- CVE-2011-2475 — Critical (CVSS 10.0): Format string vulnerability in ECTrace.dll in the iMailGateway service in the Internet Mail Gateway in OneBridge Server…
- CVE-2011-1568 — Critical (CVSS 10.0): Format string vulnerability in the logText function in shmemmgr9.dll in IGSSdataServer.exe 9.00.00.11074, and…
- CVE-2010-4235 — Critical (CVSS 10.0): Format string vulnerability in RealNetworks Helix Server 12.x, 13.x, and 14.x before 14.2, and Helix Mobile Server…
- CVE-2011-0270 — Critical (CVSS 10.0): Format string vulnerability in nnmRptConfig.exe in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows…