Vendor
Exim: actively exploited vulnerabilities
5 vulnerabilities in Exim products are listed in CISA’s catalog of actively exploited vulnerabilities, 1 of them used by ransomware. Latest addition on March 25, 2022: CVE-2010-4345 (Exim).
- 5 exploited vulnerabilities in the catalog
- 0 added in the last 12 months
- 1 used by ransomware
- 3 products affected
Affected products
- Exim3
- Exim Internet Mailer1
- Mail Transfer Agent (MTA)1
All exploited vulnerabilities
CISA KEV catalog, newest first: each entry corresponds to observed exploitation.
2022 4 vulnerabilities
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CVE-2010-4345Exim Privilege Escalation Vulnerability
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CVE-2010-4344Exim Heap-Based Buffer Overflow Vulnerability
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CVE-2019-16928Exim Out-of-bounds Write Vulnerability
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CVE-2019-10149Exim Mail Transfer Agent (MTA) Improper Input Validation
2021 1 vulnerability
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CVE-2018-6789Used by ransomwareExim Buffer Overflow Vulnerability
What to do
If your estate includes any of these products, make sure the vendor’s patches are applied, starting with the most recent vulnerabilities and those used by ransomware, then look for signs of compromise: an exploited vulnerability has often been used before it was fixed.
Additions from all vendors are tracked on the Actively exploited vulnerabilities page, updated several times a day. Sources: CISA KEV catalog (US public domain) and CERT-FR.