What is CVE-2022-34307?

CVE-2022-34307 is a medium-severity vulnerability in IBM Cics Tx, classified under Missing Encryption of Sensitive Data. CVSS score: 4.3/10. Published 2022-08-01.

How severe is CVE-2022-34307?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in IBM Cics Tx

CVE-2022-34307

IBM CICS TX 11.1 does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic. IBM X-Force ID: 229436.

Published 2022-08-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (44.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.000

Affected products

IBM Cics Tx — versions 11.1
IBM Cics Tx Advanced — versions 11.1
IBM Cics Tx Standard — versions 11.1

Weakness classification (CWE)

CWE-311 — Missing Encryption of Sensitive Data

References

www.ibm.com/support/pages/node/6608210 (Patch, Vendor Advisory)
www.ibm.com/support/pages/node/6608208 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/229436 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2022-34307?: CVE-2022-34307 is a medium-severity vulnerability in IBM Cics Tx, classified under Missing Encryption of Sensitive Data. CVSS score: 4.3/10. Published 2022-08-01.
How severe is CVE-2022-34307?: Medium severity. CVSS v3 base score is 4.3 out of 10.