How severe is CVE-2021-34539?

CVE-2021-34539 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-34539 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-34539?

CVE-2021-34539 affects Cubecoders Amp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-34539?

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

When was CVE-2021-34539 published?

CVE-2021-34539 was published on 2021-06-10 and last updated on 2026-06-17.

CVE-2021-34539

CVE-2021-34539 is a high-severity vulnerability in Cubecoders Amp with a CVSS 3.x base score of 7.2. 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-668.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-668
Affected product: Cubecoders Amp
Published: 2021-06-10
Last modified: 2026-06-17

Description

An issue was discovered in CubeCoders AMP before 2.1.1.8. A lack of validation of the Java Version setting means that an unintended executable path can be set. The result is that high-privileged users can trigger code execution.

Frequently asked questions

What is CVE-2021-34539?: An issue was discovered in CubeCoders AMP before 2.1.1.8. A lack of validation of the Java Version setting means that an unintended executable path can be set. The result is that high-privileged users can trigger code execution.
How severe is CVE-2021-34539?: CVE-2021-34539 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-34539 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34539?: CVE-2021-34539 affects Cubecoders Amp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-34539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-34539 published?: CVE-2021-34539 was published on 2021-06-10 and last updated on 2026-06-17.

References

https://github.com/CubeCoders/AMP/issues/464

Affected products (1)

cpe:2.3:a:cubecoders:amp:*:*:*:*:*:*:*:*

More vulnerabilities in Cubecoders Amp

CVE-2021-31926 — Medium (CVSS 6.5): AMP Application Deployment Service in CubeCoders AMP 2.1.x before 2.1.1.2 allows a remote, authenticated user to open…

All CVEs affecting Cubecoders Amp →

Other CWE-668 (Exposure of Resource to Wrong Sphere) vulnerabilities

CVE-2025-2857 — Critical (CVSS 10.0): Following the recent Chrome sandbox escape (CVE-2025-2783), various Firefox developers identified a similar pattern in…
CVE-2019-8779 — Critical (CVSS 10.0): A logic issue applied the incorrect restrictions. This issue was addressed by updating the logic to apply the correct…
CVE-2012-1846 — Critical (CVSS 10.0): Google Chrome 17.0.963.66 and earlier allows remote attackers to bypass the sandbox protection mechanism by leveraging…
CVE-2022-43684 — Critical (CVSS 9.9): ServiceNow has released patches and an upgrade that address an Access Control List (ACL) bypass issue in ServiceNow…
CVE-2022-24900 — Critical (CVSS 9.9): Piano LED Visualizer is software that allows LED lights to light up as a person plays a piano connected to a computer.…
CVE-2019-16541 — Critical (CVSS 9.9): Jenkins JIRA Plugin 3.0.10 and earlier does not declare the correct (folder) scope for per-folder Jira site…

Browse all CWE-668 (Exposure of Resource to Wrong Sphere) vulnerabilities →