CVE-2020-28495
CVE-2020-28495 is a high-severity vulnerability in Totaljs Total.js with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 7.3)
- CVSS v2: 7.5
- EPSS exploit prediction: 4% (88th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Totaljs Total.js
- Published:
- Last modified:
Description
This affects the package total.js before 3.4.7. The set function can be used to set a value into the object according to the path. However the keys of the path being set are not properly sanitized, leading to a prototype pollution vulnerability. The impact depends on the application. In some cases it is possible to achieve Denial of service (DoS), Remote Code Execution or Property Injection.
Frequently asked questions
- What is CVE-2020-28495?
- This affects the package total.js before 3.4.7. The set function can be used to set a value into the object according to the path. However the keys of the path being set are not properly sanitized, leading to a prototype pollution vulnerability. The impact depends on the application. In some cases it is possible to achieve Denial of service (DoS), Remote Code Execution or Property Injection.
- How severe is CVE-2020-28495?
- CVE-2020-28495 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2020-28495 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-28495?
- CVE-2020-28495 affects Totaljs Total.js. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-28495?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-28495 published?
- CVE-2020-28495 was published on 2021-02-02 and last updated on 2026-06-17.
References
- https://docs.totaljs.com/latest/en.html%23api~FrameworkUtils~U.set
- https://github.com/totaljs/framework/blob/master/utils.js%23L6606
- https://github.com/totaljs/framework/blob/master/utils.js%23L6617
- https://github.com/totaljs/framework/commit/b3f901561d66ab799a4a99279893b94cad7ae4ff
- https://snyk.io/vuln/SNYK-JS-TOTALJS-1046671
Affected products (1)
- cpe:2.3:a:totaljs:total.js:*:*:*:*:*:node.js:*:*
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