How severe is CVE-2023-50917?

CVE-2023-50917 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-50917 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-50917?

CVE-2023-50917 affects Mjdm Majordomo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-50917?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-50917 published?

CVE-2023-50917 was published on 2023-12-15 and last updated on 2026-06-17.

CVE-2023-50917

CVE-2023-50917 is a critical-severity vulnerability in Mjdm Majordomo with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 38% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 38% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Mjdm Majordomo
Published: 2023-12-15
Last modified: 2026-06-17

Description

MajorDoMo (aka Major Domestic Module) before 0662e5e allows command execution via thumb.php shell metacharacters. NOTE: this is unrelated to the Majordomo mailing-list manager.

Frequently asked questions

What is CVE-2023-50917?: MajorDoMo (aka Major Domestic Module) before 0662e5e allows command execution via thumb.php shell metacharacters. NOTE: this is unrelated to the Majordomo mailing-list manager.
How severe is CVE-2023-50917?: CVE-2023-50917 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-50917 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-50917?: CVE-2023-50917 affects Mjdm Majordomo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-50917?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-50917 published?: CVE-2023-50917 was published on 2023-12-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mjdm:majordomo:*:*:*:*:*:*:*:*

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