Security readout for executives and security teams
Plain-English summary
CVE-2018-1408 is a cross-site scripting issue in IBM Rational Team Concert. A logged-in user could embed JavaScript in the web interface, potentially affecting another trusted session and exposing credentials. It is medium severity, but important where RTC stores sensitive engineering or project information.
Executive priority
Treat this as a moderate-priority application security fix. It is not listed as actively exploited, but it could expose credentials inside a trusted development platform. Prioritize systems with broad access or sensitive project data.
Technical view
IBM Rational Team Concert 5.0 through 5.0.2 and 6.0 through 6.0.5 allow arbitrary JavaScript in the Web UI. The CVSS 3.0 score is 5.4, with network access, low attack complexity, low privileges required, and user interaction required. Impact is limited confidentiality and integrity with changed scope.
Likely exposure
Exposure is limited to organizations running IBM Rational Team Concert versions 5.0, 5.0.1, 5.0.2, or 6.0 through 6.0.5. Risk is higher when RTC is reachable by many internal users or external partners.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. The CVSS vector includes exploit maturity as high, but that is not the same as verified active exploitation in the wild.
Researcher notes
Do not assume all IBM CLM or Jazz products are affected; the provided data names Rational Team Concert only. The bundle does not provide fixed version numbers, so remediation details should come from IBM advisory and X-Force records.
Mitigation direction
- Identify all IBM Rational Team Concert instances and versions.
- Review IBM advisory 10716507 and X-Force 138446 for vendor remediation.
- Apply IBM-provided updates or configuration guidance where available.
- Limit RTC web access to trusted users and networks.
- Review sessions and logs for suspicious Web UI content changes.
Validation and detection
- Confirm no RTC instance runs affected versions listed in the CVE.
- Verify IBM remediation guidance has been applied to each instance.
- Check that untrusted Web UI input renders inert after remediation.
- Review access controls for users who can create or edit Web UI content.
- Document affected assets, owners, remediation status, and residual risk.
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-2018-1408 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
- 5.4 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/A:N/AC:L/AV:N/C:L/I:L/PR:L/S:C/UI:R/E:H/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/A:N/AC:L/AV:N/C:L/I:L/PR:L/S:C/UI:R/E:H/RC:C/RL:O2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.4MediumVector: CVSS:3.0/A:N/AC:L/AV:N/C:L/I:L/PR:L/S:C/UI:R/E:H/RC:C/RL:O
Source materials
- CVE List V5 sourceCVE List V5
- ibm-rtc-cve20181408-xss(138446)CVE reference · vdb-entry, x_refsource_XF
- https://www.ibm.com/support/docview.wss?uid=ibm10716507CVE reference · x_refsource_CONFIRM
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.
