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CVE-2021-33600

MEDIUM
Published 2021-09-28T09:06:55
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Expert Analysis

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CVSS Score

V3.1
5.4
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.004
probability
of exploitation in the wild

There is a 0.4% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.580
Higher than 58.0% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED

Impact Metrics

Confidentiality
LOW
Integrity
LOW
Availability
NONE

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

F-Secure

F-Secure Internet Gatekeeper

Affected Versions:

5 Series All Version

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-453r-cx7v-94wr

Advisory Details

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 Scoring

CVSS Score

7.5

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-33600
WEB https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame
WEB https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33600

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022

References

https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame
https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33600
Published: 2021-09-28T09:06:55
Last Modified: 2024-08-03T23:50:43.178Z
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