Security readout for executives and security teams
Plain-English summary
IBM InfoSphere Information Server 11.7 has an information disclosure issue. A remote unauthenticated attacker could use a specially crafted query to obtain system information, which may help plan later attacks. The known impact is limited confidentiality loss, not direct data modification or service outage.
Executive priority
Treat as a moderate-priority exposure issue. It is not documented as actively exploited, but unauthenticated remote information disclosure can improve attacker reconnaissance and should be addressed in normal vulnerability remediation cycles, faster for exposed systems.
Technical view
CVE-2023-33857 is CWE-200 in IBM InfoSphere Information Server 11.7. CVSS 3.1 is 5.3, AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. Sources describe remote system-information exposure through a specially crafted query, with no integrity or availability impact stated.
Likely exposure
Exposure is limited to organizations running IBM InfoSphere Information Server 11.7, especially instances reachable by untrusted networks. The source bundle marks other versions as default unaffected, but does not provide deployment-specific exposure details.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The issue is remotely reachable and low complexity, but the documented impact is information disclosure that could support follow-on attacks.
Researcher notes
Public details are sparse. The available description identifies CWE-200 and a specially crafted query causing system information disclosure, but does not name the affected endpoint, returned data, patch level, or detection indicators in the provided bundle.
Mitigation direction
- Confirm whether IBM InfoSphere Information Server 11.7 is deployed.
- Review IBM's advisory for fixes, interim mitigations, or upgrade guidance.
- Restrict network access to Information Server interfaces where business requirements allow.
- Prioritize remediation for internet-facing or broadly reachable deployments.
Validation and detection
- Inventory IBM InfoSphere Information Server instances and record exact versions.
- Check whether version 11.7 is exposed to untrusted networks.
- Review vendor advisory status against deployed build levels.
- Monitor for unusual query activity against Information Server endpoints.
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-200: 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 lookupCVE-2023-33857 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
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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:U/C:L/I:N/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/7007059CVE reference · vendor-advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/257695CVE reference · vdb-entry
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.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.