Skip to content
Fencer Vulns
high 7.5

CVE-2023-33850 json

IBM GSKit-Crypto information disclosure

published 2023-08-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-38000

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

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.

Patch / fix

  • java-1_8_0-ibm SLES for SAP 15 SP4, SLES for SAP 15 SP3, SLES for SAP 15 SP2 +9 more 1.8.0_sr8.20-150000.3.86.1
  • java-1_8_0-ibm SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.8.0_sr8.20-30.120.1

suse advisories SUSE-SU-2024:0619-1SUSE-SU-2024:0605-1

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • IBM TXSeries for Multiplatforms
  • IBM CICS TX Standard
  • IBM CICS TX Advanced
  • ibm txseries_for_multiplatform
  • ibm cics_tx

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.