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osvGoogleOSV:CVE-2021-29157
HistoryJun 28, 2021 - 12:15 p.m.

CVE-2021-29157

2021-06-2812:15:08
Google
osv.dev
11
dovecot
path traversal
oauth2
hs256
jwt validation
posix fs driver

AI Score

6.6

Confidence

Low

EPSS

0.001

Percentile

17.5%

Dovecot before 2.3.15 allows …/ Path Traversal. An attacker with access to the local filesystem can trick OAuth2 authentication into using an HS256 validation key from an attacker-controlled location. This occurs during use of local JWT validation with the posix fs driver.