IBM CICS Transaction Server 3.1, 3.2, 4.1, 4.2, and 5.1 on z/OS does not properly…
Priority LOW 22CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
IBM CICS Transaction Server 3.1, 3.2, 4.1, 4.2, and 5.1 on z/OS does not properly implement CEMT transactions, which allows remote authenticated users to cause a denial of service (storage overlay) by using a 3270 emulator to send an invalid 3270 data stream.
Why it matters now
EPSS 0.01418 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:cics_transaction_server:-:-:-:*:-:z\/os:*:* | not specified by NVD | Vulnerable | IBM |
| cpe:2.3:a:ibm:cics_transaction_server:3.1:-:-:*:-:z\/os:*:* | 3.1 | Vulnerable | IBM |
| cpe:2.3:a:ibm:cics_transaction_server:3.2:-:-:*:*:z\/os:*:* | 3.2 | Vulnerable | IBM |
| cpe:2.3:a:ibm:cics_transaction_server:4.1:-:-:*:-:z\/os:*:* | 4.1 | Vulnerable | IBM |
| cpe:2.3:a:ibm:cics_transaction_server:5.1:-:-:*:-:z\/os:*:* | 5.1 | Vulnerable | IBM |
- cpe:2.3:a:ibm:cics_transaction_server:-:-:-:*:-:z\/os:*:* Versions not specified by NVD Vulnerable ·IBM
- cpe:2.3:a:ibm:cics_transaction_server:3.1:-:-:*:-:z\/os:*:* Versions 3.1 Vulnerable ·IBM
- cpe:2.3:a:ibm:cics_transaction_server:3.2:-:-:*:*:z\/os:*:* Versions 3.2 Vulnerable ·IBM
- cpe:2.3:a:ibm:cics_transaction_server:4.1:-:-:*:-:z\/os:*:* Versions 4.1 Vulnerable ·IBM
- cpe:2.3:a:ibm:cics_transaction_server:5.1:-:-:*:-:z\/os:*:* Versions 5.1 Vulnerable ·IBM
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2014-3042
- 2026-10-03 Alias added: GHSA-h28q-676m-8rq9
References
Sources
- CVE-2014-3042 · CVE Program
- CVE-2014-3042 · NVD
- FIRST EPSS
- GHSA-h28q-676m-8rq9 · GitHub Advisory Database · CC BY 4.0
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