CVE-2019-10149: Exim Mail Transfer Agent (MTA) Improper Input Validation
Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.
| Vendor | Exim |
|---|---|
| Product | Mail Transfer Agent (MTA) |
| Date added to KEV | 2022-01-10 |
| Due date (BOD 22-01) | 2022-07-10 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-78 |
| Required action | Apply updates per vendor instructions. |
What to do
- Identify every instance of Exim Mail Transfer Agent (MTA) in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply updates per vendor instructions.
- Federal civilian agencies must act by 2022-07-10 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
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Sources
- NVD entry for CVE-2019-10149 (severity scores, if any, live there)
- CISA KEV catalog entry
- https://nvd.nist.gov/vuln/detail/CVE-2019-10149