CVE-2021-21386

Name: CVE-2021-21386
Creator: NVD / NIST
Published: 2021-03-24T21:15:15.177+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.31%

Last modified Jun 17, 2026

CVE-2021-21386 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. APKLeaks is an open-source project for scanning APK file for URIs, endpoints & secrets. APKLeaks prior to v2.0.3 allows remote attackers to execute arbitrary OS commands via package name inside application manifest. EPSS estimates a 2.31% chance of exploitation in the next 30 days.

Description

APKLeaks is an open-source project for scanning APK file for URIs, endpoints & secrets. APKLeaks prior to v2.0.3 allows remote attackers to execute arbitrary OS commands via package name inside application manifest. An attacker could include arguments that allow unintended commands or code to be executed, allow sensitive data to be read or modified or could cause other unintended behavior through malicious package name. The problem is fixed in version v2.0.6-dev and above.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.31%

81.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apkleaks Project	Apkleaks	< 2.0.3

References

https://github.com/dwisiswant0/apkleaks/commit/a966e781499ff6fd4eea66876d7532301b13a382Patch, Third Party Advisory
https://github.com/dwisiswant0/apkleaks/security/advisories/GHSA-8434-v7xw-8m9xPatch, Third Party Advisory
https://github.com/dwisiswant0/apkleaks/commit/a966e781499ff6fd4eea66876d7532301b13a382Patch, Third Party Advisory
https://github.com/dwisiswant0/apkleaks/security/advisories/GHSA-8434-v7xw-8m9xPatch, Third Party Advisory

Timeline

Published: Mar 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-21386?

How severe is CVE-2021-21386?

CVE-2021-21386 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.31% probability of exploitation in the next 30 days.

How do I fix CVE-2021-21386?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21386?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST