Security readout for executives and security teams
Plain-English summary
CVE-2020-21119 is a critical SQL injection issue reported in Kliqqi-CMS 2.0.2. The vulnerable recordIDValue parameter could let an attacker manipulate backend database queries, with reported impact up to privilege escalation and arbitrary code execution. The source bundle does not confirm active exploitation or a named patch.
Executive priority
Treat this as urgent for any confirmed Kliqqi-CMS 2.0.2 asset. The potential business impact includes data compromise, site takeover, and service disruption. Priority can be lowered only if no affected deployment or reachable admin endpoint exists.
Technical view
The CVE describes CWE-89 SQL injection in admin/admin_update_module_widgets.php via recordIDValue. CVSS 3.1 is 9.8, network reachable, low complexity, no privileges, no user interaction, with high confidentiality, integrity, and availability impact. Affected CPE metadata is incomplete, but the description names Kliqqi-CMS 2.0.2.
Likely exposure
Exposure is most likely in Kliqqi-CMS 2.0.2 deployments, especially if the admin module widget update endpoint is reachable from untrusted networks. The bundle does not identify other versions or downstream forks as affected, so treat broader exposure as unconfirmed.
Exploitation context
The bundled data does not show CISA KEV inclusion and does not cite active exploitation. Public issue disclosure exists, and the CVSS vector indicates unauthenticated network exploitability, but no exploit maturity, scanning activity, or weaponized exploit evidence is provided here.
Researcher notes
The strongest evidence is the CVE description and linked GitHub issue. Affected product metadata is incomplete in the bundle, so do not generalize beyond Kliqqi-CMS 2.0.2 without additional vendor evidence. No patch details or active exploitation proof are included.
Mitigation direction
- Identify any Kliqqi-CMS 2.0.2 installations and prioritize them for review.
- Check the Kliqqi-CMS issue and vendor repository for fixed releases or guidance.
- Restrict public access to administrative endpoints until remediation is confirmed.
- Apply web application filtering for SQL injection patterns as a temporary control.
- Review database and application credentials for least privilege and rotation needs.
Validation and detection
- Confirm deployed Kliqqi-CMS version and whether admin/admin_update_module_widgets.php exists.
- Verify whether the admin endpoint is reachable from the Internet or untrusted networks.
- Review web and application logs for suspicious recordIDValue activity.
- Check upstream repository history for any fix referencing issue 259 or this CVE.
- After remediation, confirm administrative widget update functionality still works normally.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-21119 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/Kliqqi-CMS/Kliqqi-CMS/issues/259CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.