Security readout for executives and security teams
Plain-English summary
CVE-2021-29681 is a low-severity information disclosure issue in IBM InfoSphere Information Server 11.7. An attacker could inject parameters into an HTML query and obtain sensitive information that may support later attacks. The provided sources do not show active exploitation.
Executive priority
Handle through the normal vulnerability management cycle, with faster action for internet-adjacent, shared-network, or sensitive-data environments. Business urgency is lower than remote code execution issues, but disclosure could help attackers plan follow-on activity.
Technical view
IBM describes parameter injection into an HTML query in InfoSphere Information Server 11.7, leading to limited confidentiality impact. CVSS 3.0 score is 3.1 with adjacent-network attack vector, high attack complexity, no privileges, no user interaction, unchanged scope, and no integrity impact.
Likely exposure
Exposure appears limited to IBM InfoSphere Information Server 11.7 deployments, especially where the affected interface is reachable from adjacent or less-trusted network segments. The bundle does not identify other versions or products.
Exploitation context
The source bundle lists no CISA KEV entry and the CVSS exploit code maturity is unproven. Treat exploitation as possible but not evidenced by the provided sources. The issue may matter more where disclosed information enables credential, topology, or workflow discovery.
Researcher notes
The public bundle is sparse: no CWE is assigned, no exploit details are included, and only InfoSphere Information Server 11.7 is listed. Avoid extrapolating affected versions. Use IBM and X-Force records as the authoritative remediation and scope sources.
Mitigation direction
- Identify all IBM InfoSphere Information Server 11.7 instances.
- Review IBM advisory 6454591 and apply the vendor-recommended fix or maintenance level.
- Restrict access to administrative and application interfaces to trusted network paths.
- Reduce exposure from adjacent or shared networks where feasible.
- Monitor IBM support and X-Force for updated remediation guidance.
Validation and detection
- Confirm product version and build against the IBM advisory scope.
- Check whether affected interfaces are reachable from adjacent or untrusted networks.
- Review access logs for suspicious parameter manipulation without reproducing attacks.
- Verify applied fixes against IBM maintenance or support documentation.
- Document compensating controls if patching is delayed.
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.
CVE-2021-29681 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
- Low
- CVSS
- 3.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/A:N/UI:N/PR:N/C:L/S:U/AC:H/AV:A/I:N/RC:C/RL:O/E:U
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/A:N/UI:N/PR:N/C:L/S:U/AC:H/AV:A/I:N/RC:C/RL:O/E:U1.61.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
3.1LowVector: CVSS:3.0/A:N/UI:N/PR:N/C:L/S:U/AC:H/AV:A/I:N/RC:C/RL:O/E:U
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6454591CVE reference · x_refsource_CONFIRM
- ibm-infosphere-cve202129681-info-disc (199917)CVE reference · vdb-entry, x_refsource_XF
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.
