CVE-2021-33600
A denial-of-service (DoS) vulnerability was discovered in the web user interface of F-Secure Internet Gatekeeper.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A denial-of-service (DoS) vulnerability was discovered in the web user interface of F-Secure Internet Gatekeeper. The vulnerability occurs because of an attacker can trigger assertion via malformed HTTP packet to web interface. An unauthenticated attacker could exploit this vulnerability by sending a large username parameter. A successful exploitation could lead to a denial-of-service of the product.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.61% probability · 47th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-617
- Affected
- f-secure/internet gatekeeper
- Source
- cve-notifications-us@f-secure.com
References
- https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fameVendor Advisory
- https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33600Vendor Advisory
- https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fameVendor Advisory
- https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33600Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.