CVE-2020-20950
5.9 · MEDIUMOverview
CVE-2020-20950 is a medium-severity vulnerability affecting ietf public_key_cryptography_standards_\#1. It was published on January 19, 2021 and has a CVSS 3.1 base score of 5.9 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Bleichenbacher's attack on PKCS #1 v1.5 padding for RSA in Microchip Libraries for Applications 2018-11-26 All up to 2018-11-26. The vulnerability can allow one to use Bleichenbacher's oracle attack to decrypt an encrypted ciphertext by making successive queries to the server using the vulnerable library, resulting in remote information disclosure.
Remediation
Check the references section for vendor advisories and patches from ietf. Update public_key_cryptography_standards_\#1 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 |
|---|---|---|---|
| microchip | microchip_libraries_for_applications | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2020-20950?
CVE-2020-20950 is a medium-severity vulnerability affecting ietf public_key_cryptography_standards_\#1. It was published on January 19, 2021 and has a CVSS 3.1 base score of 5.9 (MEDIUM).
How severe is CVE-2020-20950?
This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-20950?
Check the references section for vendor advisories and patches from ietf. Update public_key_cryptography_standards_\#1 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-2020-20950?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-20950 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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