How severe is CVE-2021-30070?

CVE-2021-30070 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-30070 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-30070?

CVE-2021-30070 affects Hestiacp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-30070?

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-2021-30070 published?

CVE-2021-30070 was published on 2022-08-18 and last updated on 2026-06-17.

CVE-2021-30070

CVE-2021-30070 is a high-severity vulnerability in Hestiacp with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hestiacp
Published: 2022-08-18
Last modified: 2026-06-17

Description

An issue was discovered in HestiaCP before v1.3.5. Attackers are able to arbitrarily install packages due to values taken from the pgk [] parameter in the update request being transmitted to the operating system's package manager.

Frequently asked questions

What is CVE-2021-30070?: An issue was discovered in HestiaCP before v1.3.5. Attackers are able to arbitrarily install packages due to values taken from the pgk [] parameter in the update request being transmitted to the operating system's package manager.
How severe is CVE-2021-30070?: CVE-2021-30070 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-30070 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-30070?: CVE-2021-30070 affects Hestiacp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-30070?: 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-2021-30070 published?: CVE-2021-30070 was published on 2022-08-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hestiacp:hestiacp:*:*:*:*:*:*:*:*

More vulnerabilities in Hestiacp

CVE-2023-4517 — Medium (CVSS 5.4): Cross-site Scripting (XSS) - Stored in GitHub repository hestiacp/hestiacp prior to 1.8.6.
CVE-2023-5084 — Low (CVSS 3.9): Cross-site Scripting (XSS) - Reflected in GitHub repository hestiacp/hestiacp prior to 1.8.8.

All CVEs affecting Hestiacp →