CVE-2010-4344
Exim Heap-Based Buffer Overflow Vulnerability
n/a
CVSS
71.9%
EPSS (exploit prob.)
99.4%
EPSS percentile
Yes
Actively exploited
No
Ransomware use
2022-03-25
Added
Summary
Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session.
Affected software
Vendor: Exim · Product: Exim
Weakness types (CWE):
CWE-119
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in Exim
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2019-10149 | Exim Mail Transfer Agent (MTA) Improper Input Validation | 100.0% | Yes |
| CVE-2018-6789 | Exim Buffer Overflow Vulnerability | 82.1% | Yes |
| CVE-2019-16928 | Exim Out-of-bounds Write Vulnerability | 41.6% | Yes |
| CVE-2010-4345 | Exim Privilege Escalation Vulnerability | 18.1% | Yes |
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