CVE-2020-36628
CWE-22Published: December 25, 2022· Updated: Jun 17, 2026
Official Description
A vulnerability classified as critical has been found in Calsign APDE. This affects the function handleExtract of the file APDE/src/main/java/com/calsignlabs/apde/build/dag/CopyBuildTask.java of the component ZIP File Handler. The manipulation leads to path traversal. Upgrading to version 0.5.2-pre2-alpha is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-216747.
Risk Analysis
Calsign APDE is affected by a critical path traversal vulnerability in its ZIP file handler, which can be exploited remotely. The high CVSS score of 9.8 highlights the severity of potential unauthorized file system access.
No public exploit is known, and the vulnerability is not present in the CISA KEV.
Upgrade the APDE component to version 0.5.2-pre2-alpha.
Technical Analysis
CVE-2020-36628 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 (6)
Quick Facts
Related CVEs (CWE-22)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-36628 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts