How severe is CVE-2021-37777?

CVE-2021-37777 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 high, integrity none, and availability none.

Is CVE-2021-37777 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37777?

CVE-2021-37777 affects Gilacms Gila Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-37777?

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-2021-37777 published?

CVE-2021-37777 was published on 2021-10-04 and last updated on 2026-06-17.

CVE-2021-37777

CVE-2021-37777 is a high-severity vulnerability in Gilacms Gila Cms 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-639.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Affected product: Gilacms Gila Cms
Published: 2021-10-04
Last modified: 2026-06-17

Description

Gila CMS 2.2.0 is vulnerable to Insecure Direct Object Reference (IDOR). Thumbnails uploaded by one site owner are visible by another site owner just by knowing the other site name and fuzzing for picture names. This leads to sensitive information disclosure.

Frequently asked questions

What is CVE-2021-37777?: Gila CMS 2.2.0 is vulnerable to Insecure Direct Object Reference (IDOR). Thumbnails uploaded by one site owner are visible by another site owner just by knowing the other site name and fuzzing for picture names. This leads to sensitive information disclosure.
How severe is CVE-2021-37777?: CVE-2021-37777 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 high, integrity none, and availability none.
Is CVE-2021-37777 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37777?: CVE-2021-37777 affects Gilacms Gila Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-37777?: 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-2021-37777 published?: CVE-2021-37777 was published on 2021-10-04 and last updated on 2026-06-17.

References

https://www.navidkagalwalla.com/gila-cms-vulnerabilities

Affected products (1)

cpe:2.3:a:gilacms:gila_cms:2.2.0:*:*:*:*:*:*:*

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