Prototype Pollution in NASA Open MCT

published 2023-10-06 3 y ago modified 2026-06-17 4 mo ago also GHSA-4xcx-cwrq-w792 , EUVD-2023-2650

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

In NASA Open MCT (aka openmct) before 3.1.0, prototype pollution can occur via an import action.

Patch / fix

fixed in 1 links 2

nasa openmct 3.1.0

github.com/nasa/openmct#7094 commit
github.com/nasa/openmct@2243381 commit

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 2 y ago (2024-09-19)

Exploit prediction

1.16% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem	package	affected	fixed in
npm	openmct	<=3.0.2	no fix listed

Classification

Weakness

CWE-1321 Improperly Controlled Modification of Object Prototype Attributes

References

github.com /nasa/openmct/pull/7094/commits/545a1770c523ecc3410dca884c6809d5ff0f9d52
web, patch
github.com /nasa/openmct/commit/2243381d527c0d84cc48e9ace78be7cda5363612
web
nasa.github.io /openmct/
product
linkedin.com /pulse/prototype-pollution-nasas-open-mct-cve-2023-45282
web, third-party-advisory
github.com /nasa/openmct/compare/v3.0.2...v3.1.0
web, product
nvd.nist.gov /vuln/detail/CVE-2023-45282
advisory
github.com /nasa/openmct
package
nasa.github.io /openmct
web

Sources

Fencer Vulns 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.

Summary