Critical severity · published Jan 14, 2021
CVE-2020-29016
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…
9.8
CVSS
3.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fortiweb · Fortinet
before 6.2.4; 6.3.0 through 6.3.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-29016
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-29016
Vendor Advisory
https://www.fortiguard.com/psirt/FG-IR-20-125
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