How severe is CVE-2024-49393?

CVE-2024-49393 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2024-49393 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-49393?

CVE-2024-49393 primarily affects Redhat Enterprise Linux. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-49393?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-49393 have an EU (EUVD) identifier?

Yes. CVE-2024-49393 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-43420.

When was CVE-2024-49393 published?

CVE-2024-49393 was published on 2024-11-12 and last updated on 2026-06-26.

CVE-2024-49393

CVE-2024-49393 is a medium-severity vulnerability in Redhat Enterprise Linux with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-347.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-43420
Weakness: CWE-347
Affected product: Redhat Enterprise Linux
Published: 2024-11-12
Last modified: 2026-06-26

Description

In neomutt and mutt, the To and Cc email headers are not validated by cryptographic signing which allows an attacker that intercepts a message to change their value and include himself as a one of the recipients to compromise message confidentiality.

Frequently asked questions

What is CVE-2024-49393?: In neomutt and mutt, the To and Cc email headers are not validated by cryptographic signing which allows an attacker that intercepts a message to change their value and include himself as a one of the recipients to compromise message confidentiality.
How severe is CVE-2024-49393?: CVE-2024-49393 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2024-49393 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-49393?: CVE-2024-49393 primarily affects Redhat Enterprise Linux. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-49393?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-49393 have an EU (EUVD) identifier?: Yes. CVE-2024-49393 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-43420.
When was CVE-2024-49393 published?: CVE-2024-49393 was published on 2024-11-12 and last updated on 2026-06-26.

References

Affected products (4)

cpe:2.3:a:mutt:mutt:-:*:*:*:*:*:*:*
cpe:2.3:a:neomutt:neomutt:-:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

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