Exim
5 Exim flaws are on CISA's list of vulnerabilities attackers have used, 0 of them added in 2026. CISA says 1 is known to be used by ransomware. The latest was added Mar 25, 2022.
5on CISA's list, all time
0added in 2026
0in the last 90 days
1used by ransomware
0zero-days, all time
Exploited flaws added each year
Most-hit products
| Product | Exploited flaws | Most recent |
|---|---|---|
| Exim | 3 | Mar 25, 2022 |
| Exim Internet Mailer | 1 | Mar 3, 2022 |
| Mail Transfer Agent (MTA) | 1 | Jan 10, 2022 |
Latest Exim flaws
- EximExim Heap-Based Buffer Overflow Vulnerability
- EximExim Privilege Escalation Vulnerability
- Exim Internet MailerExim Out-of-bounds Write Vulnerability
- Mail Transfer Agent (MTA)Exim Mail Transfer Agent (MTA) Improper Input Validation
- EximExim Buffer Overflow Vulnerability
Counts come from CISA's Known Exploited Vulnerabilities catalog, which lists flaws with reliable evidence of real attacks. A higher count often reflects how widely a vendor's products are used and targeted, not only how secure they are.