CVE-2021-42624
CVE-2021-42624 is a high-severity vulnerability in Miniftpd Project Miniftpd with a CVSS 3.x base score of 7.8. 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-120.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 4.6
- EPSS exploit prediction: 0% (22nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-120
- Affected product: Miniftpd Project Miniftpd
- Published:
- Last modified:
Description
A local buffer overflow vulnerability exists in the latest version of Miniftpd in ftpproto.c through the tmp variable, where a crafted payload can be sent to the affected function.
Frequently asked questions
- What is CVE-2021-42624?
- A local buffer overflow vulnerability exists in the latest version of Miniftpd in ftpproto.c through the tmp variable, where a crafted payload can be sent to the affected function.
- How severe is CVE-2021-42624?
- CVE-2021-42624 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-42624 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-42624?
- CVE-2021-42624 affects Miniftpd Project Miniftpd. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-42624?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-42624 published?
- CVE-2021-42624 was published on 2021-11-04 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:miniftpd_project:miniftpd:-:*:*:*:*:*:*:*
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