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CVE Record

CVE-2021-38877: IBM Jazz for Service Management 1.1.3.10 is vulnerable to stored cross-site scripting.

IBM Jazz for Service Management 1.1.3.10 is vulnerable to stored 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. IBM X-Force ID: 208405.

MediumCVSS 6.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM Jazz for Service Management 1.1.3.10 can store attacker-supplied JavaScript in its Web UI. When viewed in a trusted session, that script could alter page behavior and potentially expose credentials. This is not a server takeover issue, but it can undermine trust in administrative workflows.

Executive priority

Treat this as a medium-priority remediation item for affected IBM management systems. Prioritize it where the product supports privileged operations or is broadly reachable inside the enterprise, because stored XSS can expose credentials within trusted sessions.

Technical view

The issue is stored cross-site scripting in IBM Jazz for Service Management 1.1.3.10. The CVSS 3.0 score is 6.4 with network attack vector, low complexity, low privileges required, no user interaction, changed scope, and low confidentiality and integrity impact.

Likely exposure

Exposure is limited to organizations still running IBM Jazz for Service Management 1.1.3.10. Risk is higher where the Web UI is reachable by many internal users, administrators, or service accounts and where stored content is trusted without review.

Exploitation context

The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates exploitation requires network access and low privileges, but does not require victim interaction after malicious content is stored.

Researcher notes

Evidence names only IBM Jazz for Service Management 1.1.3.10 as affected. The bundle does not include CWE details or explicit patch text. Avoid assuming other versions are affected without IBM confirmation.

Mitigation direction

  • Check IBM advisory 6491521 for official remediation guidance.
  • Upgrade or apply IBM-provided fixes if available for the deployed version.
  • Restrict Web UI access to trusted users and management networks.
  • Review stored user-controlled content for unexpected script-like input.
  • Strengthen session handling and credential exposure monitoring around the Web UI.

Validation and detection

  • Inventory IBM Jazz for Service Management deployments and confirm exact versions.
  • Verify whether any instance is running version 1.1.3.10.
  • Review IBM X-Force ID 208405 and IBM advisory 6491521.
  • Confirm Web UI access is limited to authorized internal users.
  • Check application logs for suspicious stored-content changes.
Prepared
Confidence
medium
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-2021-38877 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.4 (3.0)
Known Exploited
No
Published

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

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
6.4CVSS 3.0MediumCVSS:3.0/S:C/AV:N/I:L/A:N/PR:L/AC:L/C:L/UI:N/RL:O/RC:C/E:H3.12.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

6.4Medium
CVSS 3.0 vector shape for CVE-2021-38877Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
IBMJazz for Service Management1.1.3.10Listed
Weakness

CWE details

No CWE listed

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