Security readout for executives and security teams
Plain-English summary
CVE-2021-36433 is a critical SQL injection issue reported in jocms 0.8. A remote attacker could run arbitrary database queries and view sensitive information through the jo_delete_mask function. The public record does not identify a vendor advisory, fixed version, or CPE data.
Executive priority
Prioritize this as urgent for any confirmed jocms 0.8 deployment handling sensitive data. The risk is data theft or unauthorized database modification, but business impact depends on whether the niche affected software is present and reachable.
Technical view
The CVE describes CWE-89 SQL injection in jocms/apps/mask/mask.php, specifically the jo_delete_mask function. CVSS 3.1 is 9.1: network reachable, low complexity, no privileges, no user interaction, with high confidentiality and integrity impact and no availability impact.
Likely exposure
Exposure is most likely where jocms 0.8 is deployed, especially if the affected mask functionality is reachable over a network. The CVE metadata lists no vendor, CPE, or product inventory identifiers, so asset discovery must rely on application knowledge and code review.
Exploitation context
The CVSS vector supports remote unauthenticated exploitability, but the source bundle does not show CISA KEV listing or confirmed active exploitation. Treat exploit status as unconfirmed. The available public evidence is the CVE record and a linked GitHub issue.
Researcher notes
Evidence is limited. The affected metadata fields are n/a, but the description names jocms 0.8 and the vulnerable file/function. No patch, workaround, exploit-in-the-wild confirmation, or KEV listing is provided in the supplied sources.
Mitigation direction
- Identify and prioritize any jocms 0.8 deployments.
- Check the upstream project issue for vendor guidance or a fixed release.
- Remove or isolate affected jocms instances if no fix is available.
- Restrict network access to the application while remediation is assessed.
- Back up and review database integrity before returning service to normal.
Validation and detection
- Confirm deployed jocms versions and reachable routes.
- Inspect jocms/apps/mask/mask.php for jo_delete_mask usage.
- Review application logs for suspicious mask deletion activity.
- Review database logs for unexpected read or write queries.
- Verify whether any upstream patch or advisory now exists.
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-2021-36433 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
- 9.1 (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:N
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:N3.95.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/mxgbr/jocms/issues/6CVE 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.