Skip to content
Fencer Intel
critical 9.8

CVE-2020-15851 json

Lack of access control in Nakivo Backup & Replication Transporter version 9.4.0.r43656 allows remote users to access unencrypted backup rep…

published 6y ago modified 4mo ago also EUVD-2020-7832

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

Lack of access control in Nakivo Backup & Replication Transporter version 9.4.0.r43656 allows remote users to access unencrypted backup repositories and the Nakivo Controller configuration via a network accessible transporter service. It is also possible to create or delete backup repositories.

Is CVE-2020-15851 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

1.54% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • labs.f-secure.com https://labs.f-secure.com/advisories/nakivo-backup-and-replication-multiple-vulnerabilities referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.