01 Record
CVE-2026-13476
IBM Informix Wire Listener Vulnerable to Unauthenticated Remote Code Execution
HighPUBLISHEDCNA: ibm
CNA base score7.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
02 Description
IBM Informix Wire Listener Vulnerable to Unauthenticated Remote Code Execution
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.42% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 36.5% of scored records. A rank, not a probability.
- NVD base score
- 7.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-23.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-08-12 20:58Z2 MO AGO
- Last updated
- 2026-08-14 22:16Z2 MO AGO
- Reserved
- 2026-06-27
- Assigning CNA
- ibm
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- Weaknesses
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base
- Data version
- 5.2
- Document digest
- aadd732a6793340bb8a902df61ac69fc11bf5c0fcd182112d447d30d39fb2d0f
05 Affected products
VendorProductVersionsPlatforms
06 References
07 Remediation
The vulnerability has been resolved in IBM Informix versions 14.10.xC13W13 and 15.0.1.13. The fix can be found on IBM Fix Central under the Informix Server section.