Vulnerability Details : CVE-2020-7637
class-transformer before 0.3.1 allow attackers to perform Prototype Pollution. The classToPlainFromExist function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.
Products affected by CVE-2020-7637
- cpe:2.3:a:class-transformer_project:class-transformer:*:*:*:*:*:node.js:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7637
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 38 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7637
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2020-7637
-
The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-7637
-
https://snyk.io/vuln/SNYK-JS-CLASSTRANSFORMER-564431
Command Injection in class-transformer | SnykExploit;Third Party Advisory
-
https://github.com/typestack/class-transformer/commit/8f04eb9db02de708f1a20f6f2d2bb309b2fed01e
Fix prototype pollution vulnerabilities · typestack/class-transformer@8f04eb9 · GitHubPatch;Third Party Advisory
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