How severe is CVE-2022-0557?

CVE-2022-0557 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-2022-0557 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 51% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-0557?

CVE-2022-0557 affects Microweber. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-0557?

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-2022-0557 published?

CVE-2022-0557 was published on 2022-02-11 and last updated on 2026-06-17.

CVE-2022-0557

CVE-2022-0557 is a high-severity vulnerability in Microweber with a CVSS 3.x base score of 7.2. Its EPSS exploit-prediction score of 51% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 9.0
EPSS exploit prediction: 51% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Microweber
Published: 2022-02-11
Last modified: 2026-06-17

Description

OS Command Injection in Packagist microweber/microweber prior to 1.2.11.

Frequently asked questions

What is CVE-2022-0557?: OS Command Injection in Packagist microweber/microweber prior to 1.2.11.
How severe is CVE-2022-0557?: CVE-2022-0557 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-2022-0557 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 51% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-0557?: CVE-2022-0557 affects Microweber. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-0557?: 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-2022-0557 published?: CVE-2022-0557 was published on 2022-02-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microweber:microweber:*:*:*:*:*:*:*:*

More vulnerabilities in Microweber

CVE-2023-1877 — Critical (CVSS 9.8): Command Injection in GitHub repository microweber/microweber prior to 1.3.3.
CVE-2022-0895 — Critical (CVSS 9.8): Static Code Injection in GitHub repository microweber/microweber prior to 1.3.
CVE-2020-23138 — Critical (CVSS 9.8): An unrestricted file upload vulnerability was discovered in the Microweber 1.1.18 admin account page. An attacker can…
CVE-2023-49052 — High (CVSS 8.8): File Upload vulnerability in Microweber v.2.0.4 allows a remote attacker to execute arbitrary code via a crafted script…
CVE-2023-2240 — High (CVSS 8.8): Improper Privilege Management in GitHub repository microweber/microweber prior to 1.3.4.
CVE-2022-33012 — High (CVSS 8.8): Microweber v1.2.15 was discovered to allow attackers to perform an account takeover via a host header injection attack.

All CVEs affecting Microweber →

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