Security readout for executives and security teams
IBM InfoSphere BigInsights versions before 2.1.0.3 let a logged-in remote user bypass file and directory restrictions. The business risk is unauthorized access to sensitive data, not a simple unauthenticated internet takeover. CISA KEV listing raises urgency because exploitation has been observed. Exposure is most likely in legacy IBM InfoSphere BigInsights deployments earlier than 2.1.0.3, especially where authenticated users can reach API endpoints over a network. The provided bundle does not identify specific modules, CPEs, or deployment configurations. Prioritize within the near-term vulnerability queue. The CVSS score is medium, but CISA KEV status and high confidentiality impact make unmanaged legacy deployments a meaningful data exposure risk. Mitigation focus: Upgrade IBM InfoSphere BigInsights to 2.1.0.3 or later, following IBM guidance.; If upgrade is delayed, restrict BigInsights API access to trusted networks and users.; Review account permissions and remove unnecessary authenticated access..
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-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. 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-2013-3993 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
- 6.5 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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.
CISA KEV status
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:L/UI:N/S:U/C:H/I:N/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- ibm-biginsights-cve20133993-sec-bypass(84982)CVE reference · vdb-entry, x_refsource_XF
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3993CVE reference · government-resource
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 Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.