What is CVE-2023-33850?

CVE-2023-33850 is a high-severity vulnerability in Ibm Cics Tx Advanced, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2023-08-22.

How severe is CVE-2023-33850?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-33850 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Ibm Cics Tx Advanced

CVE-2023-33850

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 cou…

EPSS: 0.001 (18.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Ibm Cics Tx Advanced — versions 10.1, 11.1
Ibm Cics Tx Standard — versions 11.1
Ibm Txseries For Multiplatforms — versions 8.1, 8.2, 9.1

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

www.ibm.com/support/pages/node/7010369 (vendor-advisory)
www.ibm.com/support/pages/node/7022413 (vendor-advisory)
www.ibm.com/support/pages/node/7022414 (vendor-advisory)

Frequently asked questions

What is CVE-2023-33850?: CVE-2023-33850 is a high-severity vulnerability in Ibm Cics Tx Advanced, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2023-08-22.
How severe is CVE-2023-33850?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-33850 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.