HOMEVULNERABILITIESCVE-2020-15850
HIGH

CVE-2020-15850

CWE-276Published: September 24, 2020· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

Insecure permissions in Nakivo Backup & Replication Director version 9.4.0.r43656 on Linux allow local users to access the Nakivo Director web interface and gain root privileges. This occurs because the database containing the users of the web application and the password-recovery secret value is readable.

NVD Source

Technical Analysis

CVE-2020-15850 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Linux1 product(s)
linux kernel
nakivo1 product(s)
backup \& replication director
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://helpcenter.nakivo.com/display/RN/v10.3+Release+Notes
ADVISORYhttps://labs.f-secure.com/advisories/nakivo-backup-and-replication-multiple-vulnerabilities
ADVISORYhttps://helpcenter.nakivo.com/display/RN/v10.3+Release+Notes
ADVISORYhttps://labs.f-secure.com/advisories/nakivo-backup-and-replication-multiple-vulnerabilities

All References (4)

→
https://helpcenter.nakivo.com/display/RN/v10.3+Release+NotesRelease Notes · Vendor Advisory
→
https://labs.f-secure.com/advisories/nakivo-backup-and-replication-multiple-vulnerabilitiesExploit · Third Party Advisory
→
https://helpcenter.nakivo.com/display/RN/v10.3+Release+NotesRelease Notes · Vendor Advisory
→
https://labs.f-secure.com/advisories/nakivo-backup-and-replication-multiple-vulnerabilitiesExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2020-15850
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-276
CISA KEVNo
Affected2 vendor(s)
PublishedSep 24, 2020

Related CVEs (CWE-276)

CVE-2022-42150
10.0
CVE-2023-29131
10.0
CVE-2020-29492
10.0
CVE-2025-40585
9.9
CVE-2019-19896
9.9
CVE-2025-27682
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-15850 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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