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CVE Record

CVE-2021-29735: IBM Security Guardium 10.5, 10.6, 11.0, 11.1, 11.2, and 11.3 is vulnerable to cross-site scripting.

IBM Security Guardium 10.5, 10.6, 11.0, 11.1, 11.2, and 11.3 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

MediumCVSS 4.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM Security Guardium versions 10.5 through 11.3 have a Web UI cross-site scripting issue. A privileged user could place JavaScript into the interface, potentially changing trusted-session behavior and exposing credentials. The score is medium, but Guardium protects sensitive database security workflows, so exposure should be handled deliberately.

Executive priority

Treat as a scheduled but important remediation item. It is not critical by score, but Guardium’s security role raises business sensitivity if privileged UI sessions are abused.

Technical view

CVE-2021-29735 is an XSS vulnerability in IBM Security Guardium 10.5, 10.6, 11.0, 11.1, 11.2, and 11.3. The CVSS vector indicates network access, high privileges required, user interaction required, low attack complexity, changed scope, low confidentiality and integrity impact, and no availability impact.

Likely exposure

Exposure is most likely where affected Guardium Web UI versions are still deployed and accessible to privileged users. The source bundle does not identify affected CPEs, deployment defaults, or exact fixed versions.

Exploitation context

The CVE is not listed as CISA KEV in the provided bundle. The CVSS temporal vector includes E:H, but the sources provided do not support a claim of known active exploitation.

Researcher notes

Evidence supports authenticated, high-privilege XSS in the Guardium Web UI with possible credential disclosure in a trusted session. The bundle does not provide payload mechanics, fixed build numbers, CWE mapping, or public exploitation confirmation.

Mitigation direction

  • Review IBM advisory 6514007 for the vendor-listed fix path.
  • Upgrade or patch affected Guardium versions according to IBM guidance.
  • Limit Guardium Web UI access to trusted administrators and management networks.
  • Review privileged account hygiene for Guardium administrators.
  • Monitor for suspicious UI changes or credential-related anomalies.

Validation and detection

  • Inventory Guardium deployments and record exact versions.
  • Compare versions 10.5, 10.6, 11.0, 11.1, 11.2, and 11.3 against IBM guidance.
  • Confirm vendor fixes or approved upgrades are applied.
  • Verify Web UI access is restricted to required administrators.
  • Review logs for unexpected privileged UI activity.
Prepared
Confidence
high
Sources
4

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-2021-29735 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/PR:H/UI:R/AC:L/S:C/A:N/C:L/I:L/RC:C/E:H/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
3Source 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
4.8CVSS 3.0MediumCVSS:3.0/AV:N/PR:H/UI:R/AC:L/S:C/A:N/C:L/I:L/RC:C/E:H/RL:O1.72.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

4.8Medium
CVSS 3.0 vector shape for CVE-2021-29735Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/PR:H/UI:R/AC:L/S:C/A:N/C:L/I:L/RC:C/E:H/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
IBMSecurity Guardium10.5, 10.6, 11.0, 11.1, 11.2, 11.3Listed
Weakness

CWE details

No CWE listed

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