CVE-2020-37124

CRITICAL

9.8

Description

B64dec 1.1.2 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler (SEH) with crafted input. Attackers can leverage an egg hunter technique and carefully constructed payload to inject and execute malicious code during base64 decoding process.

Details CVE

Score CVSS v3.19.8

SeveriteCRITICAL

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie2/5/2026

Derniere modification2/5/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-121

References

http://4mhz.de/b64dec.html(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/48317(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/bdec-buffer-overflow-seh-overflow-egg-hunter(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

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