Security readout for executives and security teams
Plain-English summary
IBM Jazz Team Server can store local web pages in a way that another local system user may read them. The business impact is limited confidentiality exposure, not remote takeover or service disruption based on the provided CVSS vector.
Executive priority
Handle through normal vulnerability management unless the affected server is shared by multiple local users or stores sensitive project data. No active exploitation evidence is provided, but confidentiality exposure justifies timely remediation.
Technical view
CVE-2021-20551 affects IBM Jazz Team Server 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2. The issue is local attack vector, low complexity, no user interaction, low confidentiality impact, and no integrity or availability impact.
Likely exposure
Exposure is likely limited to organizations running the listed IBM Jazz Team Server versions on systems where other local users can access stored web pages. The provided sources do not indicate network-only exploitation.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. CVSS marks exploit code maturity as unproven. Treat this as a local information disclosure issue requiring affected-version verification.
Researcher notes
No CWE is provided in the bundle. The description cites IBM X-Force ID 199149, while the reference label uses 199169; validate against IBM sources during ticketing.
Mitigation direction
- Identify Jazz Team Server instances and confirm versions.
- Review IBM support advisory for the vendor-approved fix or workaround.
- Restrict local system access to trusted administrators only.
- Prioritize upgrade or remediation for shared multi-user server environments.
Validation and detection
- Inventory installed IBM Jazz Team Server versions.
- Confirm whether any instance matches 6.0.6 through 7.0.2 listed versions.
- Review local file permissions and user access on affected hosts.
- Check IBM advisory status before closing remediation.
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-2021-20551 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
- Medium
- CVSS
- 4 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/S:U/A:N/AC:L/PR:N/UI:N/AV:L/C:L/I:N/E:U/RC:C/RL:O
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/S:U/A:N/AC:L/PR:N/UI:N/AV:L/C:L/I:N/E:U/RC:C/RL:O2.51.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4MediumVector: CVSS:3.0/S:U/A:N/AC:L/PR:N/UI:N/AV:L/C:L/I:N/E:U/RC:C/RL:O
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6597511CVE reference · x_refsource_CONFIRM
- ibm-jazz-cve202120551-info-disc (199169)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.