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CVE-2020-14387
published 2021-05-27

CVE-2020-14387: A flaw was found in rsync in versions since 3.2.0pre1. Rsync improperly validates certificate with host mismatch vulnerability. A remote, unauthenticated…

high7.4CVSS 3.1
AVNACHPRNUINSUCHIHAN
A flaw was found in rsync in versions since 3.2.0pre1. Rsync improperly validates certificate with host mismatch vulnerability. A remote, unauthenticated attacker could exploit the flaw by performing a man-in-the-middle attack using a valid certificate for another hostname which could compromise confidentiality and integrity of data transmitted using rsync-ssl. The highest threat from this vulnerability is to data confidentiality and integrity. This flaw affects rsync versions before 3.2.4.

Affected

11 ranges
VendorProductVersion rangeFixed in
debianrsync< rsync 3.2.3-3 (bookworm)rsync 3.2.3-3 (bookworm)
msrccbl2_rsync_3.2.3-2_on_cbl_mariner_2.0
msrccbl_mariner_2.0_arm
msrccbl_mariner_2.0_x64
sambarsync
sambarsync
sambarsync>= 0 < 3.2.3-33.2.3-3
sambarsync>= 0 < 3.2.3-33.2.3-3
sambarsync>= 0 < 3.2.3-33.2.3-3
sambarsync>= 0 < 3.2.3-33.2.3-3
sambarsync>= 3.2.1 < 3.2.43.2.4

CVSS provenance

nvdv3.17.4HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
osv7.4HIGH