Security readout for executives and security teams
CVE-2021-28827 is a critical stored cross-site scripting issue in TIBCO Administrator’s Administration GUI. An unauthenticated attacker could trick a legitimate network-connected user into triggering malicious stored content. Impact could include compromise of confidentiality and integrity in the affected administration context, although the sources do not state active exploitation. Organizations are exposed if they run the affected TIBCO Administrator or Runtime Agent versions and the Administration GUI is reachable by legitimate users over the network. Internet exposure is not stated in the sources, so teams should verify actual network placement and access controls. Treat this as high-priority remediation for any exposed or business-critical TIBCO administration environment. The issue is critical by CVSS and targets administrative workflows, but urgency should be based on confirmed affected versions and GUI reachability. Mitigation focus: Review the TIBCO advisory for vendor-supported remediation and fixed-version guidance.; Prioritize upgrade or remediation for affected 5.10.2-and-below, 5.11.0, and 5.11.1 deployments.; Restrict Administration GUI access to trusted administrative networks and users..
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
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ATT&CK lookup starting points
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CVE-2021-28827 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
CNA and ADP enrichment extracted from CVE v5
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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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L2.86Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.6CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://www.tibco.com/support/advisories/2021/04/tibco-security-advisory-april-20-2021-tibco-administrator-2021-28827CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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