How severe is CVE-2018-8820?

CVE-2018-8820 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-8820 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8820?

CVE-2018-8820 affects Square-9 Globalforms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-8820?

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-2018-8820 published?

CVE-2018-8820 was published on 2018-03-28 and last updated on 2026-06-17.

CVE-2018-8820

CVE-2018-8820 is a high-severity vulnerability in Square-9 Globalforms 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. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.0
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Square-9 Globalforms
Published: 2018-03-28
Last modified: 2026-06-17

Description

An issue was discovered in Square 9 GlobalForms 6.2.x. A Time Based SQL injection vulnerability in the "match" parameter allows remote authenticated attackers to execute arbitrary SQL commands. It is possible to upgrade access to full server compromise via xp_cmdshell. In some cases, the authentication requirement for the attack can be met by sending the default admin credentials.

Frequently asked questions

What is CVE-2018-8820?: An issue was discovered in Square 9 GlobalForms 6.2.x. A Time Based SQL injection vulnerability in the "match" parameter allows remote authenticated attackers to execute arbitrary SQL commands. It is possible to upgrade access to full server compromise via xp_cmdshell. In some cases, the authentication requirement for the attack can be met by sending the default admin credentials.
How severe is CVE-2018-8820?: CVE-2018-8820 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-8820 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8820?: CVE-2018-8820 affects Square-9 Globalforms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-8820?: 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-2018-8820 published?: CVE-2018-8820 was published on 2018-03-28 and last updated on 2026-06-17.

References

http://seclists.org/fulldisclosure/2018/Mar/57

Affected products (1)

cpe:2.3:a:square-9:globalforms:*:*:*:*:*:*:*:*

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