Security readout for executives and security teams
Plain-English summary
CVE-2017-5535 affects TIBCO DataSynapse GridServer Manager communications between Broker, Driver, and Engine components. Weak or improperly used encryption could let a suitably positioned attacker compromise traffic confidentiality and integrity. The issue is rated medium, but it can matter in environments where GridServer carries sensitive workload data or control traffic.
Executive priority
Treat as a moderate-priority internal infrastructure risk. It is not cited as actively exploited, but it could expose sensitive grid traffic if attackers gain the right network position. Prioritize environments handling regulated, financial, or operationally sensitive workloads.
Technical view
The CVSS 3.0 vector is AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N, scoring 6.8. Sources describe improper encryption use and weak ciphers in GridServer Broker, Driver, and Engine components. The attack requires adjacent network access and high complexity, with potential high confidentiality and integrity impact but no stated availability impact.
Likely exposure
Exposure is most likely in organizations still running TIBCO DataSynapse GridServer Manager versions up to 5.1.3, 6.0.0 through 6.0.2, 6.1.0 through 6.1.1, or 6.2.0. Risk depends on whether an attacker can reach or observe component traffic between Broker, Driver, and Engine systems.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The CVE says a malicious actor could theoretically compromise component traffic. Network adjacency and high attack complexity reduce broad internet-scale likelihood, but sensitive internal grid deployments should still treat this as a meaningful cryptographic exposure.
Researcher notes
Evidence is limited to the CVE record and TIBCO advisory reference. No CWE, exploit details, or fixed-version text is included in the provided bundle. Avoid assuming internet exposure; focus validation on affected versions and reachable inter-component traffic.
Mitigation direction
- Identify all TIBCO DataSynapse GridServer Manager deployments and versions.
- Review the TIBCO advisory for vendor-supported remediation or upgrade guidance.
- Prioritize replacement or upgrade of affected unsupported releases.
- Restrict network access to Broker, Driver, and Engine communication paths.
- Monitor GridServer component traffic for unexpected peers or routing changes.
Validation and detection
- Confirm deployed GridServer Manager versions against the affected version list.
- Map Broker, Driver, and Engine network communication paths.
- Verify only expected systems can access component communication channels.
- Review vendor advisory status before declaring remediation complete.
- Document any compensating controls if immediate upgrade is unavailable.
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
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CVE-2017-5535 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:A/AC:H/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:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N1.65.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.8MediumVector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.tibco.com/support/advisories/2018/05/security-advisory-may-1-2018-tibco-datasynapse-gridserver-2017-5535CVE 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.