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CVE-2021-479877.5HighCWE-494

CVE-2021-47987: Parse Server - Arbitrary Code Execution via Malicious Version Tags

parse-community · parse-server

Fixed in 4.10.0 · Affected: parse-community parse-server before 4.10.0 · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.2%probability of exploitation in the next 30 days
7th percentile
050100

Higher than 7% of scored CVEs

7.5HighCVSS 3.1
LowHigh

DescriptionCVE.org

Parse Server before 4.10.0 was affected by a supply chain incident in which incorrect version tags were pushed to the official repository pointing to an unreviewed personal fork of a contributor with write access. No releases were published with these tags; a project was exposed only if it defined a git-based dependency referencing one of the affected tags (for example, parse-server#4.9.3). The code behind the tags was not reviewed or approved, and although no malicious code was identified, the introduction of security vulnerabilities could not be ruled out.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

  • parse-community · parse-serverbefore 4.10.0

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas
Exploitation
Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV
Not listed
Public check
No public nuclei template
Published
June 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2021-47987 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References