Security readout for executives and security teams
Plain-English summary
CVE-2018-8914 is a SQL injection flaw in Synology Media Server. An unauthenticated remote attacker could abuse the UPnP DMA ObjectID parameter to run arbitrary SQL commands, potentially affecting confidentiality, integrity, and availability at a limited level.
Executive priority
Treat as a high-priority patching item for Synology NAS assets, especially where media services are reachable beyond a trusted home or office LAN.
Technical view
Synology Media Server versions before 1.7.6-2842 and before 1.4-2654 are affected. The vulnerability is CWE-89 SQL injection in UPnP DMA handling of ObjectID. CVSS 3.0 is 7.3: network reachable, low complexity, no privileges, no user interaction, unchanged scope.
Likely exposure
Exposure is most likely on Synology systems running affected Media Server versions where the UPnP DMA service is reachable from untrusted networks or shared LAN segments.
Exploitation context
The provided bundle does not show CISA KEV listing or cited evidence of active exploitation. The issue is still serious because it is remotely reachable and requires no authentication.
Researcher notes
Evidence is limited to CVE metadata and Synology advisory references. The sources identify the vulnerable parameter and fixed version thresholds but do not provide exploit telemetry, detailed patches, or compensating controls.
Mitigation direction
- Upgrade Synology Media Server to 1.7.6-2842, 1.4-2654, or later as applicable.
- Check Synology advisory SA-18-04 for product-specific update guidance.
- Restrict Media Server and UPnP DMA access to trusted networks only.
- Disable Media Server temporarily if upgrade is not immediately possible.
Validation and detection
- Inventory Synology devices and record installed Media Server package versions.
- Confirm no deployed Media Server is older than 1.7.6-2842 or 1.4-2654.
- Review network exposure for UPnP DMA and Media Server services.
- Check logs for unusual Media Server activity involving ObjectID handling.
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-2018-8914 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
- High
- CVSS
- 7.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L3.93.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.3HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://www.synology.com/en-global/support/security/Synology_SA_18_04CVE 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.