PULSE
LIVE0signals / 24h
FEED
vulnKEV agrega CVE-2023-49105 — ownCloud / ownCloudvulnKEV agrega CVE-2026-53362 — Linux / KernelvulnKEV agrega CVE-2026-66384 — JFrog / ArtifactoryvulnKEV agrega CVE-2021-23758 — Ajax.NET Professional / Ajax.NET ProfessionalvulnKEV agrega CVE-2015-3246 — Red Hat / LibuservulnKEV agrega CVE-2015-5287 — Red Hat / Automatic Bug Reporting ToolvulnKEV agrega CVE-2022-0995 — Linux / KernelvulnKEV agrega CVE-2026-8452 — Citrix / NetScaler ADC and NetScaler GatewayvulnKEV agrega CVE-2019-1068 — Microsoft / SQL ServervulnKEV agrega CVE-2026-60004 — Gitea / GiteavulnKEV agrega CVE-2026-21962 — Oracle / HTTP Server and Oracle Weblogic Server Proxy Plug-invulnKEV agrega CVE-2026-73570 — Synacor / Zimbra Collaboration Suite (ZCS)vulnKEV agrega CVE-2026-72530 — TrueConf / ServervulnKEV agrega CVE-2026-72529 — TrueConf / ServervulnKEV agrega CVE-2023-49105 — ownCloud / ownCloudvulnKEV agrega CVE-2026-53362 — Linux / KernelvulnKEV agrega CVE-2026-66384 — JFrog / ArtifactoryvulnKEV agrega CVE-2021-23758 — Ajax.NET Professional / Ajax.NET ProfessionalvulnKEV agrega CVE-2015-3246 — Red Hat / LibuservulnKEV agrega CVE-2015-5287 — Red Hat / Automatic Bug Reporting ToolvulnKEV agrega CVE-2022-0995 — Linux / KernelvulnKEV agrega CVE-2026-8452 — Citrix / NetScaler ADC and NetScaler GatewayvulnKEV agrega CVE-2019-1068 — Microsoft / SQL ServervulnKEV agrega CVE-2026-60004 — Gitea / GiteavulnKEV agrega CVE-2026-21962 — Oracle / HTTP Server and Oracle Weblogic Server Proxy Plug-invulnKEV agrega CVE-2026-73570 — Synacor / Zimbra Collaboration Suite (ZCS)vulnKEV agrega CVE-2026-72530 — TrueConf / ServervulnKEV agrega CVE-2026-72529 — TrueConf / Server
← All CVEs
CVE Watch

CVE-2018-6789

Exim Buffer Overflow Vulnerability

CVSS

No CVSS

EPSS

82.1%

p100

KEV

YES

Nov 3, 2021

Exploit Today

80

0-100

Published: · Last modified:

EPSS · 30d
81.7%EPSS · 30 days82.1%
2026-08-022026-08-31
KEV catalog record

Product

Exim / Exim

Vulnerability

Exim Buffer Overflow Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

May 3, 2022

Known ransomware use

Yes

Summary description

Exim contains a buffer overflow vulnerability in the base64d function part of the SMTP listener that may allow for remote code execution.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2018-6789

Related CVEs
CVECVSSEPSSKEVRExploitTitleMod.
CVE-2010-4344
99.4%
KEV80Exim Heap-Based Buffer Overflow Vulnerability
CVE-2010-4345
97.0%
KEV79Exim Privilege Escalation Vulnerability