CVE-2020-28423
CWE-77Published: August 2, 2022· Updated: Jun 17, 2026
Official Description
This affects all versions of package monorepo-build.
Risk Analysis
The monorepo-build package is affected by a critical flaw with a CVSS score of 9.8. This vulnerability allows an unauthenticated attacker to achieve full system impact.
No public exploit is known, and the vulnerability is not in the CISA KEV. It is remotely exploitable due to its network-based attack vector and low complexity.
Update the monorepo-build package to the latest version if available. Implement network segmentation to limit exposure.
Technical Analysis
CVE-2020-28423 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-77)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-28423 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts