How severe is CVE-2021-33525?

CVE-2021-33525 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-33525 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33525?

CVE-2021-33525 affects Eyesofnetwork. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33525?

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-2021-33525 published?

CVE-2021-33525 was published on 2021-05-24 and last updated on 2026-06-17.

CVE-2021-33525

CVE-2021-33525 is a high-severity vulnerability in Eyesofnetwork with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Eyesofnetwork
Published: 2021-05-24
Last modified: 2026-06-17

Description

EyesOfNetwork eonweb through 5.3-11 allows Remote Command Execution (by authenticated users) via shell metacharacters in the nagios_path parameter to lilac/export.php, as demonstrated by %26%26+curl to insert an "&& curl" substring for the shell.

Frequently asked questions

What is CVE-2021-33525?: EyesOfNetwork eonweb through 5.3-11 allows Remote Command Execution (by authenticated users) via shell metacharacters in the nagios_path parameter to lilac/export.php, as demonstrated by %26%26+curl to insert an "&& curl" substring for the shell.
How severe is CVE-2021-33525?: CVE-2021-33525 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-33525 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33525?: CVE-2021-33525 affects Eyesofnetwork. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33525?: 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-2021-33525 published?: CVE-2021-33525 was published on 2021-05-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:eyesofnetwork:eyesofnetwork:*:*:*:*:*:*:*:*

More vulnerabilities in Eyesofnetwork

CVE-2022-41572 — Critical (CVSS 9.8): An issue was discovered in EyesOfNetwork (EON) through 5.3.11. Privilege escalation can be accomplished on the server…
CVE-2022-41571 — Critical (CVSS 9.8): An issue was discovered in EyesOfNetwork (EON) through 5.3.11. Local file inclusion can occur.
CVE-2022-41570 — Critical (CVSS 9.8): An issue was discovered in EyesOfNetwork (EON) through 5.3.11. Unauthenticated SQL injection can occur.
CVE-2021-40643 — Critical (CVSS 9.8): EyesOfNetwork before 07-07-2021 has a Remote Code Execution vulnerability on the mail options configuration page. In…
CVE-2021-27514 — Critical (CVSS 9.8): EyesOfNetwork 5.3-10 uses an integer of between 8 and 10 digits for the session ID, which might be leveraged for…
CVE-2020-27886 — Critical (CVSS 9.8): An issue was discovered in EyesOfNetwork eonweb 5.3-7 through 5.3-8. The eonweb web interface is prone to a SQL…

All CVEs affecting Eyesofnetwork →

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