Information disclosure in Parse Server
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-39138 |
| CWE-ID | CWE-200 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Parse Server Web applications / Modules and components for CMS |
| Vendor | Parse Community |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Information disclosure
EUVDB-ID: #VU56141
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-39138
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in the "authProvider" field in "_Session" class. A remote attacker can gain unauthorized access to sensitive information on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsParse Server: 4.0.0 - 4.5.0
External linkshttp://github.com/parse-community/parse-server/commit/147bd9a3dc43391e92c36e05d5db860b04ca27db
http://github.com/parse-community/parse-server/releases/tag/4.5.1
http://github.com/parse-community/parse-server/security/advisories/GHSA-23r4-5mxp-c7g5
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
