Exim — known exploited vulnerabilities
The CISA Known Exploited Vulnerabilities catalog (KEV) lists vulnerabilities that CISA has confirmed are being exploited in the wild; U.S. federal civilian agencies are required to remediate each entry by its due date. This page joins the KEV entries for Exim with NVD CVSS scores and CISA's ransomware-campaign flag. See our methodology or browse all CVEs.
Key findings
CISA's Known Exploited Vulnerabilities catalog lists 5 Exim vulnerabilities confirmed as exploited in the wild across 3 products; 1 of them (20%) is flagged as used in known ransomware campaigns. Exim is the most-affected product, with 3 entries (60% of the total). CISA added 4 entries in 2022, compared with 1 in 2021. Across the 5 entries with an NVD CVSS score (100% of the total), the average score is 9.4; 4 entries are rated critical by NVD. The most recent addition is CVE-2010-4345 (Exim Privilege Escalation Vulnerability), added on 2022-03-25.
Affected products
| Product | Entries | Share |
|---|---|---|
| Exim | 3 | 60% |
| Exim Internet Mailer | 1 | 20% |
| Mail Transfer Agent (MTA) | 1 | 20% |
Entries added per year
By date added to the KEV catalog
Exploited Exim vulnerabilities (5)
Newest first. CVSS scores from NVD where available.
| CVE | Product | Vulnerability | Date added | Ransomware | CVSS |
|---|---|---|---|---|---|
| CVE-2010-4345 | Exim | Exim Privilege Escalation Vulnerability | 2022-03-25 | — | HIGH7.8 |
| CVE-2010-4344 | Exim | Exim Heap-Based Buffer Overflow Vulnerability | 2022-03-25 | — | CRITICAL9.8 |
| CVE-2019-16928 | Exim Internet Mailer | Exim Out-of-bounds Write Vulnerability | 2022-03-03 | — | CRITICAL9.8 |
| CVE-2019-10149 | Mail Transfer Agent (MTA) | Exim Mail Transfer Agent (MTA) Improper Input Validation | 2022-01-10 | — | CRITICAL9.8 |
| CVE-2018-6789 | Exim | Exim Buffer Overflow Vulnerability | 2021-11-03 | Known | CRITICAL9.8 |
Source: CISA Known Exploited Vulnerabilities catalog, joined with NIST NVD CVSS data. Vendor names are normalized across spellings. Compare all vendors.