Medium severity5.9NVD Advisory· Published Jan 19, 2021· Updated Jul 9, 2026
CVE-2020-20950
CVE-2020-20950
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- cpe:2.3:a:ietf:public_key_cryptography_standards_\#1:1.5:*:*:*:*:*:*:*
cpe:2.3:a:microchip:microchip_libraries_for_applications:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:microchip:microchip_libraries_for_applications:*:*:*:*:*:*:*:*range: <=2018-11-26
- (no CPE)range: <=2018-11-26
- Microchip/Libraries for Applicationsdescription
Patches
Vulnerability mechanics
References
3- archiv.infsec.ethz.ch/education/fs08/secsem/bleichenbacher98.pdfnvdTechnical DescriptionThird Party Advisory
- bi-zone.medium.com/silence-will-fall-or-how-it-can-take-2-years-to-get-your-vuln-registered-e6134846f5bbnvdTechnical DescriptionThird Party Advisory
- www.microchip.com/mplab/microchip-libraries-for-applicationsnvdProduct
News mentions
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