CVE-2021-40833

CVSS V2 Medium 4.3 CVSS V3 Medium 5.5
Description
A vulnerability affecting F-Secure antivirus engine was discovered whereby unpacking UPX file can lead to denial-of-service. The vulnerability can be exploited remotely by an attacker. A successful attack will result in denial-of-service of the antivirus engine.
Overview
  • CVE ID
  • CVE-2021-40833
  • Assigner
  • cve-notifications-us@f-secure.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-11-26T17:15:07
  • Last Modified Date
  • 2021-11-30T14:35:12
Weakness Enumerations
CWE URL
CWE-404 http://cwe.mitre.org/data/definitions/404.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:f-secure:atlant:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:f-secure:internet_gatekeeper:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:f-secure:linux_security:-:*:*:*:*:*:x86:* 1 OR
cpe:2.3:a:f-secure:linux_security_64:-:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:a:f-secure:elements_endpoint_protection:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame Vendor Advisory
https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-40833 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-40833
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40833
History
Created Old Value New Value Data Type Notes
2022-05-10 06:44:31 Added to TrackCVE
2022-12-05 15:11:56 2021-11-26T17:15Z 2021-11-26T17:15:07 CVE Published Date updated
2022-12-05 15:11:56 2021-11-30T14:35:12 CVE Modified Date updated
2022-12-05 15:11:56 Analyzed Vulnerability Status updated