The ISAPI extension in BadBlue 1.7 through 2.2, and possibly earlier versions, modifies the first two letters of a filename extension after performing a security check, which allows remote attackers to bypass authentication via a filename with a .ats extension instead of a .hts extension.

Threat-Mapped Scoring

Score: 0.0

Priority: Unclassified

EPSS

Score: 0.01983
Percentile: 0.82802

CVSS Scoring

Affected Products

• cpe:2.3:a:working_resources_inc.:badblue:*:*:*:*:*:*:*:*

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