CVE-2021-21773
7.8 · HIGHOverview
CVE-2021-21773 is a high-severity vulnerability affecting accusoft imagegear. It was published on March 31, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
An out-of-bounds write vulnerability exists in the TIFF header count-processing functionality of Accusoft ImageGear 19.8. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.
Remediation
Check the references section for vendor advisories and patches from accusoft. Update imagegear 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 |
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Frequently Asked Questions
What is CVE-2021-21773?
CVE-2021-21773 is a high-severity vulnerability affecting accusoft imagegear. It was published on March 31, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2021-21773?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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-2021-21773?
Check the references section for vendor advisories and patches from accusoft. Update imagegear 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-2021-21773?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-21773 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.
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