CVE-2018-16820
CVE-2018-16820 is a high-severity vulnerability in Monstra 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-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (78th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Monstra
- Published:
- Last modified:
Description
admin/index.php in Monstra CMS 3.0.4 allows arbitrary directory listing via id=filesmanager&path=uploads/.......//./.......//./ requests.
Frequently asked questions
- What is CVE-2018-16820?
- admin/index.php in Monstra CMS 3.0.4 allows arbitrary directory listing via id=filesmanager&path=uploads/.......//./.......//./ requests.
- How severe is CVE-2018-16820?
- CVE-2018-16820 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-2018-16820 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-16820?
- CVE-2018-16820 affects Monstra. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-16820?
- 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-2018-16820 published?
- CVE-2018-16820 was published on 2018-09-18 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:monstra:monstra:3.0.4:*:*:*:*:*:*:*
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