7.4

CVE-2020-14387: samba rsync

CVSS: 7.4v3.1HighModified
AliasesALPINE-CVE-2020-14387DEBIAN-CVE-2020-14387
Published 27-05-2021Last modified 04-08-2024

Vulnerability summary

CVE-2020-14387 is a high (CVSS 7.4) vulnerability in samba rsync. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.4/10
010
High · v3.1 (NVD)
EPSS score
1.11%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2

Timeline

  1. 27-05-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.11%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

0.00 pp

From 1.11% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.11%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • rsync≥ 3.2.1, < 3.2.4-r0
Debian1 product
  • rsync< 3.2.3-3
Samba1 product
  • rsync≥ 3.2.1, < 3.2.4 | 3.2.0 | 3.2.0:pre1 | 3.2.0:pre2 | 3.2.0:pre3

3 vendors · 3 products

References

4 links