Vulnerability Details : CVE-2021-23807
Potential exploit
This affects the package jsonpointer before 5.0.0. A type confusion vulnerability can lead to a bypass of a previous Prototype Pollution fix when the pointer components are arrays.
Products affected by CVE-2021-23807
- cpe:2.3:a:janl:jsonpointer:*:*:*:*:*:node.js:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-23807
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-23807
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST | |
|
5.6
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
2.2
|
3.4
|
Snyk |
CWE ids for CVE-2021-23807
-
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-23807
-
https://github.com/janl/node-jsonpointer/pull/51
fix-prototype-pollution by dellalibera · Pull Request #51 · janl/node-jsonpointer · GitHubPatch;Third Party Advisory
-
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1910273
Prototype Pollution in org.webjars.npm:jsonpointer | SnykExploit;Mitigation;Patch;Third Party Advisory;VDB Entry
-
https://github.com/janl/node-jsonpointer/commit/a0345f3550cd9c4d89f33b126390202b89510ad4
Merge pull request #51 from dellalibera/fix-prototype-pollution · janl/node-jsonpointer@a0345f3 · GitHubPatch;Third Party Advisory
-
https://snyk.io/vuln/SNYK-JS-JSONPOINTER-1577288
Prototype Pollution in jsonpointer | SnykExploit;Mitigation;Patch;Third Party Advisory;VDB Entry
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