CVE-2021-47986

HIGH

Parse Server - Unreviewed Code Execution via Malicious Version Tags

Title source: cna
STIX 2.1

Description

Parse Server before 4.10.0 contains a supply chain vulnerability where incorrect version tags were pushed to the repository linking to unreviewed code in a personal fork. Attackers could exploit this by specifying affected version tags in dependency declarations to execute unreviewed and potentially malicious code.

References (2)

Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-593v-wcqx-hq2w)
https://github.com/parse-community/parse-server/security/advisories/GHSA-593v-wcqx-hq2w
Third Party Advisory third-party-advisory
VulnCheck Advisory: Parse Server - Unreviewed Code Execution via Malicious Version Tags
https://www.vulncheck.com/advisories/parse-server-unreviewed-code-execution-via-malicious-version-tags

Scores

CVSS v3 7.5
EPSS 0.0012
EPSS Percentile 2.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-494
Status published
Products (26)
parse-community/parse-server < 4.10.0
parse-community/parse-server 4.10.0
parseplatform/parse-server 4.0.0 beta1 (6 CPE variants)
parseplatform/parse-server 4.0.3
parseplatform/parse-server 4.0.4
parseplatform/parse-server 4.0.6
parseplatform/parse-server 4.0.7
parseplatform/parse-server 4.0.8
parseplatform/parse-server 4.0.9
parseplatform/parse-server 4.0.10
... and 16 more
Published Jun 25, 2026
Tracked Since Jun 26, 2026