CVE-2020-21653
CVE-2020-21653 is a critical-severity vulnerability in Myucms Project Myucms with a CVSS 3.x base score of 9.1. 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-918.
Key facts
- Severity: Critical (CVSS 3.x base score 9.1)
- CVSS v2: 6.4
- EPSS exploit prediction: 1% (64th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-918
- Affected product: Myucms Project Myucms
- Published:
- Last modified:
Description
Myucms v2.2.1 contains a server-side request forgery (SSRF) in the component \controller\index.php, which can be exploited via the sj() method.
Frequently asked questions
- What is CVE-2020-21653?
- Myucms v2.2.1 contains a server-side request forgery (SSRF) in the component \controller\index.php, which can be exploited via the sj() method.
- How severe is CVE-2020-21653?
- CVE-2020-21653 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2020-21653 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-21653?
- CVE-2020-21653 affects Myucms Project Myucms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-21653?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-21653 published?
- CVE-2020-21653 was published on 2021-10-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:myucms_project:myucms:2.2:*:*:*:*:*:*:*
More vulnerabilities in Myucms Project Myucms
- CVE-2020-21652 — Critical (CVSS 9.8): Myucms v2.2.1 contains a remote code execution (RCE) vulnerability in the component \controller\Config.php, which can…
- CVE-2020-21651 — Critical (CVSS 9.8): Myucms v2.2.1 contains a remote code execution (RCE) vulnerability in the component \controller\point.php, which can be…
- CVE-2020-21650 — High (CVSS 8.8): Myucms v2.2.1 contains a remote code execution (RCE) vulnerability in the component \controller\Config.php, which can…
- CVE-2020-21649 — High (CVSS 8.1): Myucms v2.2.1 contains a server-side request forgery (SSRF) in the component \controller\index.php, which can be…
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