Security readout for executives and security teams
Plain-English summary
This vulnerability affects MKCMS V6.2 and could let an unauthenticated remote attacker manipulate database queries through the password recovery path. If exploited, it may expose or alter sensitive data and disrupt the site. The source bundle does not identify a vendor patch or confirmed exploitation.
Executive priority
Prioritize discovery and containment for any public MKCMS V6.2 systems. The impact is potentially full database compromise, but evidence is too limited to claim known exploitation or a specific patch path.
Technical view
CVE-2020-22820 is a CWE-89 SQL injection in the name parameter of /ucenter/repass.php in MKCMS V6.2. The CVSS 3.1 score is 9.8, with network access, low complexity, no privileges, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to internet-accessible MKCMS V6.2 deployments, especially where /ucenter/repass.php is reachable. The CVE affected-product metadata is incomplete and lists vendor, product, and versions as n/a, so inventory confirmation is required.
Exploitation context
The source bundle includes public disclosure, but KEV is false and no cited source states active exploitation. Treat this as highly severe because exploitation conditions are favorable, not because exploitation in the wild is confirmed.
Researcher notes
The record is sparse: affected CPEs are absent, vendor metadata is n/a, and the only public reference is the original blog disclosure. Focus on confirming product lineage, endpoint exposure, and whether downstream forks inherited the vulnerable code.
Mitigation direction
- Identify any MKCMS V6.2 deployments and owners.
- Check vendor or project guidance for a fixed release or official mitigation.
- Restrict access to /ucenter/repass.php if business use permits.
- Retire or replace unsupported MKCMS instances where no fix is available.
- For maintained forks, review database query handling for parameterization.
Validation and detection
- Confirm whether MKCMS V6.2 is present in asset inventory.
- Verify whether /ucenter/repass.php is externally reachable.
- Review application logs for unusual password recovery requests.
- Perform authorized, non-destructive SQL injection validation only.
- Confirm remediation by retesting the affected parameter safely.
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 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-2020-22820 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://unc1e.blogspot.com/2020/04/mkcms-v62-has-mutilple-vulnerabilities.htmlCVE 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.