CVE-2020-18917
CVE-2020-18917 is a high-severity vulnerability in Dedecms 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-352.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (53rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-352
- Affected product: Dedecms
- Published:
- Last modified:
Description
The plus/search.php component in DedeCMS 5.7 SP2 allows remote attackers to execute arbitrary PHP code via the typename parameter because the contents of typename.inc are under an attacker's control.
Frequently asked questions
- What is CVE-2020-18917?
- The plus/search.php component in DedeCMS 5.7 SP2 allows remote attackers to execute arbitrary PHP code via the typename parameter because the contents of typename.inc are under an attacker's control.
- How severe is CVE-2020-18917?
- CVE-2020-18917 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-18917 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-18917?
- CVE-2020-18917 affects Dedecms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-18917?
- 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-2020-18917 published?
- CVE-2020-18917 was published on 2021-08-24 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:dedecms:dedecms:5.7:sp2:*:*:*:*:*:*
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