CVE-2020-21363
CVE-2020-21363 is a medium-severity vulnerability in Maccms with a CVSS 3.x base score of 6.5. 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-610.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 5.5
- EPSS exploit prediction: 1% (54th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-610
- Affected product: Maccms
- Published:
- Last modified:
Description
An arbitrary file deletion vulnerability exists within Maccms10.
Frequently asked questions
- What is CVE-2020-21363?
- An arbitrary file deletion vulnerability exists within Maccms10.
- How severe is CVE-2020-21363?
- CVE-2020-21363 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
- Is CVE-2020-21363 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-21363?
- CVE-2020-21363 affects Maccms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-21363?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-21363 published?
- CVE-2020-21363 was published on 2021-08-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:maccms:maccms:10.0:*:*:*:*:*:*:*
More vulnerabilities in Maccms
- CVE-2021-45786 — Critical (CVSS 9.8): In maccms v10, an attacker can log in through /index.php/user/login in the "col" and "openid" parameters to gain…
- CVE-2020-21359 — Critical (CVSS 9.8): An arbitrary file upload vulnerability in the Template Upload function of Maccms10 allows attackers bypass the suffix…
- CVE-2017-17733 — Critical (CVSS 9.8): Maccms 8.x allows remote command execution via the wd parameter in an index.php?m=vod-search request.
- CVE-2025-28091 — Critical (CVSS 9.1): maccms10 v2025.1000.4047 has a Server-Side Request Forgery (SSRF) vulnerability via Add Article.
- CVE-2025-28090 — Critical (CVSS 9.1): maccms10 v2025.1000.4047 is vulnerable to Server-Side Request Forgery (SSRF) in the Collection Custom Interface feature.
- CVE-2025-28089 — Critical (CVSS 9.1): maccms10 v2025.1000.4047 is vulnerable to Server-Side Request Forgery (SSRF) via the Scheduled Task function.
Other CWE-610 vulnerabilities
- CVE-2022-27593 — Critical (CVSS 10.0): An externally controlled reference to a resource vulnerability has been reported to affect QNAP NAS running Photo…
- CVE-2019-7290 — Critical (CVSS 10.0): An access issue was addressed with additional sandbox restrictions. This issue is fixed in Shortcuts 2.1.3 for iOS. A…
- CVE-2017-16088 — Critical (CVSS 10.0): The safe-eval module describes itself as a safer version of eval. By accessing the object constructors, un-sanitized…
- CVE-2022-39206 — Critical (CVSS 9.9): Onedev is an open source, self-hosted Git Server with CI/CD and Kanban. When using Docker-based job executors, the…
- CVE-2026-47643 — Critical (CVSS 9.8): External control of file name or path in Azure Stack Edge allows an unauthorized attacker to execute code over a…
- CVE-2022-20239 — Critical (CVSS 9.8): remap_pfn_range' here may map out of size kernel memory (for example, may map the kernel area), and because the…