How severe is CVE-2021-32605?

CVE-2021-32605 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-32605 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32605?

CVE-2021-32605 affects Zzzcms Zzzphp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32605?

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-2021-32605 published?

CVE-2021-32605 was published on 2021-05-11 and last updated on 2026-06-17.

CVE-2021-32605

CVE-2021-32605 is a critical-severity vulnerability in Zzzcms Zzzphp with a CVSS 3.x base score of 9.8. 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 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Zzzcms Zzzphp
Published: 2021-05-11
Last modified: 2026-06-17

Description

zzzcms zzzphp before 2.0.4 allows remote attackers to execute arbitrary OS commands by placing them in the keys parameter of a ?location=search URI, as demonstrated by an OS command within an "if" "end if" block.

Frequently asked questions

What is CVE-2021-32605?: zzzcms zzzphp before 2.0.4 allows remote attackers to execute arbitrary OS commands by placing them in the keys parameter of a ?location=search URI, as demonstrated by an OS command within an "if" "end if" block.
How severe is CVE-2021-32605?: CVE-2021-32605 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-32605 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32605?: CVE-2021-32605 affects Zzzcms Zzzphp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32605?: 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-2021-32605 published?: CVE-2021-32605 was published on 2021-05-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zzzcms:zzzphp:*:*:*:*:*:*:*:*

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