HOMEVULNERABILITIESCVE-2020-26300
CRITICAL

CVE-2020-26300

CWE-77Published: September 9, 2021· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

systeminformation is an npm package that provides system and OS information library for node.js. In systeminformation before version 4.26.2 there is a command injection vulnerability. Problem was fixed in version 4.26.2 with a shell string sanitation fix.

NVD Source

Technical Analysis

CVE-2020-26300 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

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 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

systeminformation1 product(s)
systeminformation
Source: NVD CPE · 1 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

PATCHhttps://github.com/advisories/GHSA-fj59-f6c3-3vw4
PATCHhttps://github.com/sebhildebrandt/systeminformation/commit/bad372e654cdd549e7d786acbba0035ded54c607
PATCHhttps://github.com/advisories/GHSA-fj59-f6c3-3vw4
PATCHhttps://github.com/sebhildebrandt/systeminformation/commit/bad372e654cdd549e7d786acbba0035ded54c607
ADVISORYhttps://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-fj59-f6c3-3vw4
ADVISORYhttps://www.npmjs.com/package/systeminformation
ADVISORYhttps://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-fj59-f6c3-3vw4
ADVISORYhttps://www.npmjs.com/package/systeminformation

All References (8)

→
https://github.com/advisories/GHSA-fj59-f6c3-3vw4Patch · Third Party Advisory
→
https://github.com/sebhildebrandt/systeminformation/commit/bad372e654cdd549e7d786acbba0035ded54c607Patch · Third Party Advisory
→
https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-fj59-f6c3-3vw4Third Party Advisory
→
https://www.npmjs.com/package/systeminformationProduct · Third Party Advisory
→
https://github.com/advisories/GHSA-fj59-f6c3-3vw4Patch · Third Party Advisory
→
https://github.com/sebhildebrandt/systeminformation/commit/bad372e654cdd549e7d786acbba0035ded54c607Patch · Third Party Advisory
→
https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-fj59-f6c3-3vw4Third Party Advisory
→
https://www.npmjs.com/package/systeminformationProduct · Third Party Advisory

Quick Facts

CVE IDCVE-2020-26300
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-77
CISA KEVNo
Affected1 vendor(s)
PublishedSep 9, 2021

Related CVEs (CWE-77)

CVE-2015-7541
10.0
CVE-2015-6912
10.0
CVE-2015-1815
10.0
CVE-2024-32766
10.0
CVE-2014-1905
10.0
CVE-2015-5082
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-26300 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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