Vulnerability Details : CVE-2021-23509
This affects the package json-ptr before 3.0.0. A type confusion vulnerability can lead to a bypass of CVE-2020-7766 when the user-provided keys used in the pointer parameter are arrays.
Products affected by CVE-2021-23509
- cpe:2.3:a:json-ptr_project:json-ptr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-23509
19.93%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 96 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-23509
| 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-2021-23509
-
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-2021-23509
-
https://github.com/flitbit/json-ptr/commit/5dc458fbad1c382a2e3ca6d62e66ede3d92849ca
Fixed vulnerability reported by Snyk · flitbit/json-ptr@5dc458f · GitHubPatch;Third Party Advisory
-
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1767165
Prototype Pollution in org.webjars.npm:json-ptr | SnykExploit;Mitigation;Patch;Third Party Advisory;VDB Entry
-
https://github.com/flitbit/json-ptr/pull/42
Vulnerability fix and packaging rollup by cerebralkungfu · Pull Request #42 · flitbit/json-ptr · GitHubPatch;Third Party Advisory
-
https://snyk.io/vuln/SNYK-JS-JSONPTR-1577291
Prototype Pollution in json-ptr | SnykExploit;Mitigation;Patch;Third Party Advisory;VDB Entry
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