Medium severity5.4NVD Advisory· Published Sep 28, 2021· Updated Jun 17, 2026
CVE-2021-33600
CVE-2021-33600
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.
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Affected products
3cpe:2.3:a:f-secure:internet_gatekeeper:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:f-secure:internet_gatekeeper:*:*:*:*:*:*:*:*range: >=5.10,<=5.50.47
- (no CPE)
- (no CPE)range: 5 Series All Version
Patches
Vulnerability mechanics
References
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