How severe is CVE-2021-21386?

CVE-2021-21386 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2021-21386 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-21386?

CVE-2021-21386 affects Apkleaks Project Apkleaks. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-21386?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-21386 published?

CVE-2021-21386 was published on 2021-03-24 and last updated on 2026-06-17.

CVE-2021-21386

CVE-2021-21386 is a critical-severity vulnerability in Apkleaks Project Apkleaks with a CVSS 3.x base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.3)
CVSS v2: 10.0
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Apkleaks Project Apkleaks
Published: 2021-03-24
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-21386?: 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.
How severe is CVE-2021-21386?: CVE-2021-21386 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-21386 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-21386?: CVE-2021-21386 affects Apkleaks Project Apkleaks. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-21386?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-21386 published?: CVE-2021-21386 was published on 2021-03-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apkleaks_project:apkleaks:*:*:*:*:*:*:*:*

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