Vulnerability Monitor

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CVE-2021-33600

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.

Published

2021-09-28T10:15:08.100

Last Modified

2024-11-21T06:09:10.643

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.4 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-617

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	f-secure	internet_gatekeeper	≤ 5.50.47	Yes

References

https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame Vendor Advisory ([email protected])
https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33600 Vendor Advisory ([email protected])
https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33600 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)