Buffer overflow in Fortinet Fortiweb

CVE-2020-29019

A stack-based buffer overflow vulnerability in FortiWeb 6.3.0 through 6.3.7 and version before 6.2.4 may allow a remote, unauthenticated attacker to crash the httpd daemon thread by sending a request with a crafted cookie header.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.021 (80.8th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-29019: held from 0.021 to 0.021.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

  • Fortinet Fortiweb
  • Fortinet Fortiweb — versions FortiWeb 6.3.0 through 6.3.7 and version before 6.2.4

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-29019?
CVE-2020-29019 is a medium-severity vulnerability in Fortinet Fortiweb, classified under Out-of-bounds Write. CVSS score: 5.3/10. Published 2021-01-14.
How severe is CVE-2020-29019?
Medium severity. CVSS v3 base score is 5.3 out of 10.