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CVE-2010-4345

Exim Privilege Escalation

7.8 HIGHActively exploited (CISA KEV)EPSS 18.0%
  1. Published14 Dec 2010
  2. Added to CISA KEV25 Mar 2022
  3. Remediation due15 Apr 2022
Actively exploited (CISA KEV)

Exim allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate configuration file with a directive that contains arbitrary commands.

Added to KEV: 25 Mar 2022Federal remediation due: 15 Apr 2022

Description

Exim 4.72 and earlier allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate configuration file with a directive that contains arbitrary commands, as demonstrated by the spool_directory directive.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Exim≤ 4.72
Canonical Ubuntu Linux10.04 · 10.10 · 6.06 · 8.04
Debian Linux5.0
Opensuse11.1 · 11.2 · 11.3

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

and 19 more references

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Frequently asked

Is CVE-2010-4345 being actively exploited?

Yes. CVE-2010-4345 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 25 Mar 2022.

How severe is CVE-2010-4345?

CVE-2010-4345 has a CVSS 3.1 base score of 7.8, rated high. EPSS estimates a 18.0% probability of exploitation.

Which products are affected by CVE-2010-4345?

Affected products include Exim, Canonical Ubuntu Linux, Debian Linux, Opensuse.

How do I fix CVE-2010-4345?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2010-4345 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.