Vulnerability Details : CVE-2020-5251
In parser-server before version 4.1.0, you can fetch all the users objects, by using regex in the NoSQL query. Using the NoSQL, you can use a regex on sessionToken and find valid accounts this way.
Vulnerability category: BypassGain privilege
Products affected by CVE-2020-5251
- cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-5251
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-5251
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
NIST | |
|
7.7
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N |
1.3
|
5.8
|
GitHub, Inc. |
CWE ids for CVE-2020-5251
-
The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.Assigned by: security-advisories@github.com (Secondary)
-
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-5251
-
https://github.com/parse-community/parse-server/commit/3a3a5eee5ffa48da1352423312cb767de14de269
Merge pull request from GHSA-h4mf-75hf-67w4 · parse-community/parse-server@3a3a5ee · GitHubPatch;Third Party Advisory
-
https://github.com/parse-community/parse-server/security/advisories/GHSA-h4mf-75hf-67w4
Regex Vulnerabilities · Advisory · parse-community/parse-server · GitHubThird Party Advisory
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