CVE-2020-14387 — Improper Validation of Certificate with Host Mismatch in Samba Rsync
Severity
7.4HIGHNVD
EPSS
0.1%
top 65.57%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 27
Latest updateMay 24
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NExploitability: 2.2 | Impact: 5.2
Affected Packages3 packages
Patches
🔴Vulnerability Details
3📋Vendor Advisories
3Microsoft▶
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↗2021-05-11
Red Hat▶
rsync: rsync-ssl does not verify the hostname in the server certificate when using openssl↗2020-09-03
Debian▶
CVE-2020-14387: rsync - A flaw was found in rsync in versions since 3.2.0pre1. Rsync improperly validate...↗2020