CVE-2020-20290
CVE-2020-20290 is a high-severity vulnerability in Yccms 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: 6.4
- EPSS exploit prediction: 1% (68th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Yccms
- Published:
- Last modified:
Description
Directory traversal vulnerability in the yccms 3.3 project. The delete, deletesite, and deleteAll functions' improper judgment of the request parameters, triggers a directory traversal vulnerability.
Frequently asked questions
- What is CVE-2020-20290?
- Directory traversal vulnerability in the yccms 3.3 project. The delete, deletesite, and deleteAll functions' improper judgment of the request parameters, triggers a directory traversal vulnerability.
- How severe is CVE-2020-20290?
- CVE-2020-20290 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 none, integrity high, and availability none.
- Is CVE-2020-20290 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-20290?
- CVE-2020-20290 affects Yccms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-20290?
- 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-2020-20290 published?
- CVE-2020-20290 was published on 2021-02-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:yccms:yccms:3.3:*:*:*:*:*:*:*
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