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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-20950
• https://bi-zone.medium.com/silence-will-fall-or-how-it-can-take-2-years-to-get-your-vuln-registered-e6134846f5bb
• https://www.microchip.com/mplab/microchip-libraries-for-applications
• http://archiv.infsec.ethz.ch/education/fs08/secsem/bleichenbacher98.pdf
• http://microchip.com