CVE-2021-46848
9.1 · CRITICALOverview
CVE-2021-46848 is a critical-severity vulnerability affecting gnu libtasn1. It was published on October 24, 2022 and has a CVSS 3.1 base score of 9.1 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.
Remediation
Check the references section for vendor advisories and patches from gnu. Update libtasn1 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 |
|---|---|---|---|
| gnu | libtasn1 | >= 0, < 4.19.0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-46848?
CVE-2021-46848 is a critical-severity vulnerability affecting gnu libtasn1. It was published on October 24, 2022 and has a CVSS 3.1 base score of 9.1 (CRITICAL).
How severe is CVE-2021-46848?
This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-46848?
Check the references section for vendor advisories and patches from gnu. Update libtasn1 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-2021-46848?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-46848 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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