CVE-2023-33850

HIGH

IBM TXSeries for Multiplatform - Timing-Based Side Channel in RSA Decryption

Title source: llm
STIX 2.1

Description

IBM GSKit-Crypto could allow a remote attacker to obtain sensitive information, caused by a timing-based side channel in the RSA Decryption implementation. By sending an overly large number of trial messages for decryption, an attacker could exploit this vulnerability to obtain sensitive information.

References (5)

Core 5

Scores

CVSS v3 7.5
EPSS 0.0006
EPSS Percentile 17.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-203
Status published
Products (5)
ibm/cics_tx 11.1 (2 CPE variants)
ibm/cics_tx 10.1
ibm/txseries_for_multiplatform 8.1
ibm/txseries_for_multiplatform 9.1
ibm/txseries_for_multiplatform 8.2
Published Aug 22, 2023
Tracked Since Feb 18, 2026