Security readout for executives and security teams
Plain-English summary
TCMAN GIM versions 8.0 and 11.0 have a critical SQL injection issue in webservice methods under /PC/WebService.asmx. If exposed, an unauthenticated network attacker may be able to compromise database confidentiality, integrity, and availability. The source bundle does not identify a patch version or confirm exploitation in the wild.
Executive priority
Treat as urgent for any environment using TCMAN GIM 8.0 or 11.0. The vulnerability is rated critical with potential full business impact, but available evidence does not confirm active exploitation or name a specific patch in the supplied bundle.
Technical view
CVE-2021-40850 is a CWE-89 SQL injection vulnerability affecting TCMAN GIM 8.0 and 11.0. The CVSS 3.1 score is 10.0 with AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H, indicating remote, unauthenticated exploitability and potential full impact. The vulnerable surface is several available webservice methods in /PC/WebService.asmx.
Likely exposure
Exposure is most likely in organizations running TCMAN GIM 8.0 or 11.0, especially where /PC/WebService.asmx is reachable from untrusted networks. The source bundle does not define affected configurations beyond those versions and endpoint path.
Exploitation context
The provided sources do not report active exploitation, and this CVE is not marked as CISA KEV in the bundle. Risk remains high because the CVSS vector describes unauthenticated, low-complexity network exploitation with high confidentiality, integrity, and availability impact.
Researcher notes
The bundle identifies affected versions, CWE-89, endpoint path, and CVSS vector, but not specific vulnerable methods, exploit prerequisites beyond CVSS, indicators of compromise, or fixed release details. Avoid assuming exploit availability or remediation specifics without the vendor advisory.
Mitigation direction
- Inventory all TCMAN GIM deployments and confirm versions.
- Review TCMAN or INCIBE guidance for fixed versions or vendor workarounds.
- Reduce exposure of /PC/WebService.asmx to trusted networks only.
- Increase monitoring for suspicious webservice access and database errors.
- Prioritize vendor-supported remediation for GIM 8.0 and 11.0.
Validation and detection
- Confirm whether any assets run TCMAN GIM 8.0 or 11.0.
- Check whether /PC/WebService.asmx is reachable externally or from broad internal networks.
- Review web and database logs for anomalous requests to affected webservice methods.
- Verify remediation status against vendor or INCIBE advisory details.
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-2021-40850 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
- 10 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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:C/C:H/I:H/A:H3.96Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
10CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.incibe-cert.es/en/early-warning/security-advisories/tcman-gim-sql-injection-vulnerabilityCVE reference · x_refsource_CONFIRM
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.