Security readout for executives and security teams
Plain-English summary
MB connect line mymbCONNECT24 and mbCONNECT24 through version 2.6.2 contain a server-side request forgery flaw in an LDAP access check. An attacker can make the system probe other network ports, which may expose internal service information. The issue is medium severity, but urgency rises if these portals are internet-accessible or can reach sensitive internal networks.
Executive priority
Treat as a moderate-priority exposure reduction item. Prioritize remediation for internet-facing deployments or systems that can reach sensitive internal networks, because the flaw can help attackers discover internal services.
Technical view
CVE-2020-12529 is a CWE-918 SSRF in the LDAP access check of mymbCONNECT24 and mbCONNECT24 through V2.6.2. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N, indicating unauthenticated network reachability, low complexity, changed scope, and limited confidentiality impact.
Likely exposure
Exposure is most likely where mymbCONNECT24 or mbCONNECT24 through V2.6.2 is reachable over a network and can initiate connections toward internal assets. Systems with broad internal network reach or exposed management portals carry higher business risk.
Exploitation context
The provided sources do not report active exploitation, and the bundle marks this CVE as not in KEV. The described impact is port scanning through SSRF, not direct code execution, data modification, or service disruption.
Researcher notes
Evidence is limited to the CVE description, CVSS vector, affected product list, CWE-918 classification, and VDE advisory reference. No exploit code, active exploitation report, or explicit fix details are included in the provided source bundle.
Mitigation direction
- Inventory mymbCONNECT24 and mbCONNECT24 instances and confirm whether versions are through V2.6.2.
- Check MB connect line or VDE guidance for fixed versions or vendor-approved mitigations.
- Restrict external access to affected portals wherever operationally possible.
- Limit outbound network reach from affected systems to only required destinations.
- Monitor for unusual LDAP access check activity and unexpected internal connection attempts.
Validation and detection
- Confirm product name and version on every deployed instance.
- Verify whether affected systems are internet-facing or reachable from untrusted networks.
- Map which internal networks the affected systems can connect to.
- Review logs for unexpected connection attempts around LDAP access checks.
- Confirm remediation status against vendor or VDE advisory guidance.
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-918: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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 lookupCloud metadata behavior lookup
The CVE wording references SSRF or metadata access, so cloud discovery and credential material review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-12529 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
- Medium
- CVSS
- 5.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/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:C/C:L/I:N/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.8MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://cert.vde.com/de-de/advisories/vde-2021-003CVE 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.
Server-Side Request Forgery (SSRF)
Server-Side Request Forgery (SSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.