Prototype Pollution in Adaltas Mixme
CVE-2021-28860
In Node.js mixme, prior to v0.5.1, an attacker can add or alter properties of an object via '__proto__' through the mutate() and merge() functions. The polluted attribute will be directly assigned to every object in the program. This will put the availability of the program at risk causing a potential denial of service (DoS).
Vulnerability class: Prototype Pollution
EPSS: 0.018 (76.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
Affected products
- Adaltas Mixme
- N/a — versions n/a
Weakness classification (CWE)
References
- af854a3a-2127-422b-91ae-364da2661108 (URL Repurposed, x_refsource_MISC, Third Party Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-28860?
- CVE-2021-28860 is a critical-severity vulnerability in Adaltas Mixme, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 9.1/10. Published 2021-05-03.
- How severe is CVE-2021-28860?
- Critical severity. CVSS v3 base score is 9.1 out of 10.