Vulnerability Details : 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 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.
Products affected by CVE-2020-14387
- cpe:2.3:a:samba:rsync:*:*:*:*:*:*:*:*
- cpe:2.3:a:samba:rsync:3.2.0:-:*:*:*:*:*:*
- cpe:2.3:a:samba:rsync:3.2.0:pre1:*:*:*:*:*:*
- cpe:2.3:a:samba:rsync:3.2.0:pre2:*:*:*:*:*:*
- cpe:2.3:a:samba:rsync:3.2.0:pre3:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-14387
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 55 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-14387
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
NIST | |
7.4
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
2.2
|
5.2
|
NIST |
CWE ids for CVE-2020-14387
-
The product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host.Assigned by: secalert@redhat.com (Primary)
References for CVE-2020-14387
-
https://bugzilla.redhat.com/show_bug.cgi?id=1875549
1875549 – (CVE-2020-14387) CVE-2020-14387 rsync: rsync-ssl does not verify the hostname in the server certificate when using opensslIssue Tracking;Patch;Third Party Advisory
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