Vendor dossier / #44
Exim vulnerabilities in CISA KEV
Answer CISA's KEV catalog lists 5 Exim vulnerabilities as of catalog 2026.09.23, 0.3% of all 1,721 entries and rank 44 of 283 vendors. The first was added on 2021-11-03 and the most recent on 2022-03-25; 1 is flagged as used in ransomware campaigns.
- KEV entries
- 50.3% of catalog
- Last 90 days
- +0added
- Ransomware: known
- 120%
- Products
- 3distinct
- First added
- 2021-11-03
- Latest added
- 2022-03-25
- Median days to due
- 21
- Open deadlines
- 0federal
TAdditions per quarter
Table view (by year)
| Year | Added |
|---|---|
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 0 |
| 2026 | 0 |
QCommon questions
How many Exim vulnerabilities are in CISA KEV?
5, as of KEV catalog 2026.09.23 (released 2026-09-23). That is 0.3% of the catalog.
Which Exim product has the most KEV entries?
Exim, with 3 entries. 3 products appear in total.
How many Exim KEV vulnerabilities are linked to ransomware?
1 of 5 (20%) are flagged by CISA as known to be used in ransomware campaigns.
When was the latest Exim vulnerability added to KEV?
2022-03-25 (CVE-2010-4345).
What is the most common weakness in Exim KEV entries?
CWE-119 (Memory buffer bounds error), listed on 2 entries.
PProducts
| Product | Entries | Share of vendor |
|---|---|---|
| Exim | 3 | 60% |
| Exim Internet Mailer | 1 | 20% |
| Mail Transfer Agent (MTA) | 1 | 20% |
WWeaknesses
| CWE | Entries | Share of vendor |
|---|---|---|
| CWE-119 Memory buffer bounds error | 2 | 40% |
| CWE-264 Permissions and access controls (category) | 1 | 20% |
| CWE-787 Out-of-bounds write | 1 | 20% |
| CWE-78 OS command injection | 1 | 20% |
EAll 5 entries
| CVE | Product | Vulnerability | Added | Due | Ransomware | CWE |
|---|---|---|---|---|---|---|
| CVE-2010-4345 | Exim | Exim Privilege Escalation Vulnerability | Unknown | CWE-264 | ||
| CVE-2010-4344 | Exim | Exim Heap-Based Buffer Overflow Vulnerability | Unknown | CWE-119 | ||
| CVE-2019-16928 | Exim Internet Mailer | Exim Out-of-bounds Write Vulnerability | Unknown | CWE-787 | ||
| CVE-2019-10149 | Mail Transfer Agent (MTA) | Exim Mail Transfer Agent (MTA) Improper Input Validation | Unknown | CWE-78 | ||
| CVE-2018-6789 | Exim | Exim Buffer Overflow Vulnerability | Known | CWE-119 |
Cite this
CISA's Known Exploited Vulnerabilities catalog lists 5 Exim vulnerabilities (0.3% of all entries). Source: Telemetry analysis of the CISA Known Exploited Vulnerabilities catalog, version 2026.09.23 (released 2026-09-23). https://glide-telemetry.pages.dev/vendors/exim/
Source: CISA KEV catalog v2026.09.23, released 2026-09-23. Windows end 2026-09-23. Vendor names are CISA's vendorProject strings; Telemetry states no facts about Exim beyond this data.