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CVE Record

CVE-2021-29752: IBM Db2 11.2 and 11.5 contains an information disclosure vulnerability, exposing remote storage credentials...

IBM Db2 11.2 and 11.5 contains an information disclosure vulnerability, exposing remote storage credentials to privileged users under specific conditions. IBM X-Fporce ID: 201780.

MediumCVSS 4.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-29752 is an IBM Db2 information disclosure issue where privileged users could see remote storage credentials under specific conditions. The impact is limited by required high privileges and high attack complexity, but exposed storage credentials can broaden access beyond the database.

Executive priority

Treat this as a controlled but real confidentiality risk. It is not an emergency internet-wide exploitation case from the supplied evidence, but patching and credential review are warranted where Db2 stores access keys or storage secrets.

Technical view

The supplied CVSS vector is 4.4: AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N. Sources describe IBM DB2 for Linux, UNIX and Windows affected in 11.1/11.5, while the bundle title mentions 11.2/11.5; confirm exact levels with IBM advisory.

Likely exposure

Exposure is likely limited to organizations running IBM Db2 LUW 11.x with remote storage configured and privileged database users or administrators. Risk increases where storage credentials are long-lived, shared, or over-permissioned.

Exploitation context

The bundle does not show CISA KEV listing or active exploitation. CVSS marks exploit maturity as unproven and remediation as official fix available. Attack requires network access, high privileges, and high complexity.

Researcher notes

The main uncertainty is version scope: the source bundle conflicts between 11.1, 11.2, and 11.5. Use IBM's advisory as the authority. Avoid assuming exploitability without privileged access and specific remote storage conditions.

Mitigation direction

  • Review IBM advisory for the fixed Db2 levels applicable to your deployment.
  • Patch or upgrade affected IBM Db2 LUW instances according to IBM guidance.
  • Rotate remote storage credentials that may have been exposed.
  • Limit storage credentials to least privilege and short lifetimes where possible.
  • Review privileged Db2 accounts for necessity and appropriate separation of duties.

Validation and detection

  • Inventory IBM Db2 LUW versions and compare them with IBM's affected and fixed levels.
  • Identify Db2 deployments using remote storage credentials.
  • Review privileged user access to affected Db2 instances.
  • Check logs for unusual privileged access around remote storage configuration.
  • Confirm credential rotation after remediation if exposure is plausible.
Prepared
Confidence
medium
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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-2021-29752 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.4 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AC:H/C:H/AV:N/S:U/UI:N/PR:H/A:N/I:N/RC:C/E:U/RL:O

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
4.4CVSS 3.0MediumCVSS:3.0/AC:H/C:H/AV:N/S:U/UI:N/PR:H/A:N/I:N/RC:C/E:U/RL:O0.73.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

4.4Medium
CVSS 3.0 vector shape for CVE-2021-29752Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AC:H/C:H/AV:N/S:U/UI:N/PR:H/A:N/I:N/RC:C/E:U/RL:O

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
IBMDB2 for Linux, UNIX and Windows11.1, 11.5Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.