CVE-2020-20975
CVE-2020-20975 is a critical-severity vulnerability in Gxlcms with a CVSS 3.x base score of 9.8. 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-89.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (67th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Gxlcms
- Published:
- Last modified:
Description
In \lib\admin\action\dataaction.class.php in Gxlcms v1.1, SQL Injection exists via the $filename parameter.
Frequently asked questions
- What is CVE-2020-20975?
- In \lib\admin\action\dataaction.class.php in Gxlcms v1.1, SQL Injection exists via the $filename parameter.
- How severe is CVE-2020-20975?
- CVE-2020-20975 has a CVSS 3.x base score of 9.8, 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 high.
- Is CVE-2020-20975 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-20975?
- CVE-2020-20975 affects Gxlcms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-20975?
- 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-2020-20975 published?
- CVE-2020-20975 was published on 2021-08-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:gxlcms:gxlcms:1.1:*:*:*:*:*:*:*
More vulnerabilities in Gxlcms
- CVE-2018-18488 — Critical (CVSS 9.8): In \lib\admin\action\dataaction.class.php in Gxlcms v2.0, SQL Injection exists via the ids[] parameter.
- CVE-2018-14685 — Critical (CVSS 9.8): The add function in www/Lib/Lib/Action/Admin/TplAction.class.php in Gxlcms v1.1.4 allows remote attackers to read…
- CVE-2018-15177 — High (CVSS 8.8): In Gxlcms 2.0, a news/index.php?s=Admin-Admin-Insert CSRF attack can add an administrator account.
- CVE-2018-18487 — High (CVSS 7.5): In \lib\admin\action\dataaction.class.php in Gxlcms v2.0, the database backup filename generation uses mt_rand()…
- CVE-2017-14979 — High (CVSS 7.5): Gxlcms uses an unsafe character-replacement approach in an attempt to restrict access, which allows remote attackers to…
- CVE-2018-16436 — High (CVSS 7.2): Gxlcms 2.0 before bug fix 20180915 has SQL Injection exploitable by an administrator.
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