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CVE-2021-38879: IBM Jazz Team Server 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2 could allow a remote attacker to obtain sensitiv...

IBM Jazz Team Server 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2 could allow a remote attacker to obtain sensitive information, caused by the failure to set the HTTPOnly flag. A remote attacker could exploit this vulnerability to obtain sensitive information from the cookie. IBM X-Force ID: 209057.

LowCVSS 3.7Not KEV-listedUpdated
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Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

IBM Jazz Team Server versions 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2 may expose sensitive cookie information because the HTTPOnly cookie flag is not set. Business risk is limited but relevant where Jazz Team Server handles sensitive engineering or project data.

Executive priority

Low priority for emergency response, but include it in the next planned IBM Jazz Team Server maintenance cycle. Raise priority if the server is internet-facing or supports sensitive development, compliance, or customer delivery workflows.

Technical view

CVE-2021-38879 is an IBM Jazz Team Server information disclosure issue tied to missing HTTPOnly protection on cookies. The CVSS 3.0 score is 3.7 with network attack vector, high attack complexity, no privileges, no user interaction, and low confidentiality impact only.

Likely exposure

Exposure is limited to organizations running the affected Jazz Team Server versions. Internet-facing or broadly accessible deployments deserve faster review because the vulnerable component is reachable over the network, although the source rates exploitation complexity as high.

Exploitation context

The source bundle does not show active exploitation. KEV is false, and the CVSS vector marks exploit maturity as unproven. Treat this as a hygiene and session-protection issue unless vendor or threat-intelligence sources indicate targeting.

Researcher notes

Evidence is limited to IBM and CVE metadata. No CWE is listed in the bundle. The vulnerability is mapped to IBM X-Force ID 209057 and has CVSS remediation level Official Fix, but exact fixed builds are not provided here.

Mitigation direction

  • Review IBM advisory guidance for the affected Jazz Team Server release.
  • Apply the vendor-provided fix or upgrade path identified by IBM.
  • Confirm application cookies are set with the HTTPOnly attribute.
  • Restrict external access to Jazz Team Server where possible.
  • Monitor vendor advisories for any change in exploitation status.

Validation and detection

  • Inventory Jazz Team Server instances and versions.
  • Check whether versions match 6.0.6, 6.0.6.1, 7.0, 7.0.1, or 7.0.2.
  • Inspect application response cookies for missing HTTPOnly attributes.
  • Confirm remediation by retesting cookie attributes after update.
  • Document compensating controls for any instance that cannot be updated.
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-2021-38879 mapping review

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Vulnerability profileCVE Program record
Severity
Low
CVSS
3.7 (3.0)
Known Exploited
No
Published

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

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
3.7CVSS 3.0LowCVSS:3.0/C:L/I:N/S:U/AC:H/A:N/PR:N/UI:N/AV:N/E:U/RL:O/RC:C2.21.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

3.7Low
CVSS 3.0 vector shape for CVE-2021-38879Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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 Team Server6.0.6, 6.0.6.1, 7.0, 7.0.1, 7.0.2Listed
Weakness

CWE details

No CWE listed

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