CVE-2020-18081
CVE-2020-18081 is a high-severity vulnerability in Sem-cms Semcms 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: 5.0
- EPSS exploit prediction: 1% (63rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Sem-cms Semcms
- Published:
- Last modified:
Description
The checkuser function of SEMCMS 3.8 was discovered to contain a vulnerability which allows attackers to obtain the password in plaintext through a SQL query.
Frequently asked questions
- What is CVE-2020-18081?
- The checkuser function of SEMCMS 3.8 was discovered to contain a vulnerability which allows attackers to obtain the password in plaintext through a SQL query.
- How severe is CVE-2020-18081?
- CVE-2020-18081 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-2020-18081 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-18081?
- CVE-2020-18081 affects Sem-cms Semcms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-18081?
- 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-2020-18081 published?
- CVE-2020-18081 was published on 2021-12-17 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:sem-cms:semcms:3.8:*:*:*:*:*:*:*
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- CVE-2025-25686 — Critical (CVSS 9.8): semcms <=5.0 is vulnerable to SQL Injection in SEMCMS_Fuction.php.
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- CVE-2023-50563 — Critical (CVSS 9.8): Semcms v4.8 was discovered to contain a SQL injection vulnerability via the AID parameter at SEMCMS_Function.php.
All CVEs affecting Sem-cms Semcms →
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