CVE-2024-21484

HIGH

Jsrsasign < 11.0.0 - Information Disclosure

Title source: rule
STIX 2.1

Description

Versions of the package jsrsasign before 11.0.0 are vulnerable to Observable Discrepancy via the RSA PKCS1.5 or RSAOAEP decryption process. An attacker can decrypt ciphertexts by exploiting the Marvin security flaw. Exploiting this vulnerability requires the attacker to have access to a large number of ciphertexts encrypted with the same key. Workaround The vulnerability can be mitigated by finding and replacing RSA and RSAOAEP decryption with another crypto library.

Scores

CVSS v3 7.5
EPSS 0.0024
EPSS Percentile 47.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-203
Status published
Products (2)
jsrsasign_project/jsrsasign < 11.0.0
npm/jsrsasign 0 - 11.0.0npm
Published Jan 22, 2024
Tracked Since Feb 18, 2026