Is CVE-2019-13917 in the CISA KEV catalog?

No. CVE-2019-13917 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-13917?

CVE-2019-13917 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2019-13917?

CVE-2019-13917 has an EPSS score of 8.62% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-13917?

Upgrade exim4 on debian 11 to 4.92-10 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2019-13917

CRITICALEPSS 94th pctl

9.8

CVSS v3

NVD

Description

Exim 4.85 through 4.92 (fixed in 4.92.1) allows remote code execution as root in some unusual configurations that use the ${sort } expansion for items that can be controlled by an attacker (e.g., $local_part or $domain).

CWE-19

How to fix

Remediation Available

exim4Debian

Fixed in:4.92-10CVE-2019-13917

exim4Ubuntu

Fixed in:4.86.2-2ubuntu2.4USN-4075-1

Fixed in:4.90.1-1ubuntu1.3USN-4075-1

exim4-daemon-heavyUbuntu

Fixed in:4.86.2-2ubuntu2.4USN-4075-1

Fixed in:4.90.1-1ubuntu1.3USN-4075-1

exim4-daemon-lightUbuntu

Fixed in:4.86.2-2ubuntu2.4USN-4075-1

Fixed in:4.90.1-1ubuntu1.3USN-4075-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

8.62%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Patch1

exim.org

Third-Party Advisory3

Other references1

security.gentoo.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.