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CVE-2021-42624

A local buffer overflow vulnerability exists in the latest version of Miniftpd in ftpproto.c...

7.8 High

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.31%Up 0.1 points since Nov 5, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

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.

Record
CVE-2021-42624
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
4.6 MediumAV:L/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-120
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2021-42624
Updated
2026-11-02
EUVDEUVD-2021-29588 No score

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.

Record
EUVD-2021-29588
Updated
2026-11-03
GitHub AdvisoriesGHSA-hgqv-7qx7-42r2 No score

A local buffer overflow vulnerability exists in the latest version of Miniftpd in ftpproto.c...

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.

Record
GHSA-hgqv-7qx7-42r2
Weakness
CWE-120
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-42624 is a high vulnerability (CVSS 7.8) in Miniftpd Project Miniftpd, published November 4, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. No source names a fixed version.

References

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