Cyber Resilience

CVE-2021-38588

High

Published: 11 August 2021

Published
11 August 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0021 42.7th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-38588 is a high-severity Download of Code Without Integrity Check (CWE-494) vulnerability in Cpanel Cpanel. Its CVSS base score is 8.1 (High).

Operationally, ranked at the 42.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In cPanel before 96.0.13, fix_cpanel_perl lacks verification of the integrity of downloads (SEC-587).

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

cpanel
cpanel
≤ 96.0.13

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-494

Policies can require integrity verification of software prior to installation, reducing risks from unverified downloads.

addresses: CWE-494

Blocks installation of components lacking a valid signature, mitigating download or installation of code without integrity checks.

addresses: CWE-494

Acquisition and maintenance portions of the strategy drive requirements for integrity verification of downloaded or supplied code.

addresses: CWE-494

Mandating integrity control and approved-only changes during development prevents incorporation of code or components lacking integrity validation.

addresses: CWE-494

Supply chain protection requires integrity verification of acquired components, directly reducing insertion or tampering of malicious code during delivery.

addresses: CWE-494

Reduces exposure to code obtained without integrity verification by requiring assurance processes that confirm authenticity and absence of tampering.

addresses: CWE-494

Tamper resistance and detection commonly include integrity verification of code and firmware obtained from external sources.

addresses: CWE-494

Component authenticity requires verifying origin/integrity of acquired firmware or software, directly preventing inclusion of code without integrity checks.

References