CVE-2022-22820
5.5 · MEDIUMOverview
CVE-2022-22820 is a medium-severity vulnerability affecting linecorp line. It was published on January 20, 2022 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
Due to the lack of media file checks before rendering, it was possible for an attacker to cause abnormal CPU consumption for message recipient by sending specially crafted gif image in LINE for Windows before 7.4.
Remediation
Check the references section for vendor advisories and patches from linecorp. Update line to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| linecorp | line | >= 0, < 7.4.0 | Affected |
Frequently Asked Questions
What is CVE-2022-22820?
CVE-2022-22820 is a medium-severity vulnerability affecting linecorp line. It was published on January 20, 2022 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2022-22820?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2022-22820?
Check the references section for vendor advisories and patches from linecorp. Update line to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-22820?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-22820 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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