Security readout for executives and security teams
CVE-2018-18809 is a critical directory traversal flaw in multiple TIBCO JasperReports and Jaspersoft products. A logged-in web user may be able to reach files on the host system. Because CISA lists it in KEV, treat exposed or legacy deployments as urgent until proven remediated. Organizations running older TIBCO JasperReports Library, JasperReports Server, Community Edition, ActiveMatrix BPM variants, or Jaspersoft AWS offerings listed in the advisory are the main exposure group, especially where web interfaces are reachable by users beyond a tightly controlled admin population. Treat this as a near-term remediation item. It affects reporting software that may sit close to sensitive business data, carries critical impact, and is listed by CISA as known exploited. Leadership should require inventory, exposure reduction, and vendor-guided remediation evidence. Mitigation focus: Inventory all JasperReports and Jaspersoft deployments and record exact versions.; Review the TIBCO advisory for vendor-supported fixed releases or mitigations.; Prioritize remediation for internet-reachable or broadly user-accessible deployments..
Michael Williams reviewed this cited source version on .
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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CWE-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-18809 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
- Critical
- CVSS
- 9.9 (3.0)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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.
CISA KEV status
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/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H3.16Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
9.9CriticalVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.tibco.com/support/advisories/2019/03/tibco-security-advisory-march-6-2019-tibco-jasperreports-library-2018-18809CVE reference · x_refsource_CONFIRM
- https://security.elarlang.eu/cve-2018-18809-path-traversal-in-tibco-jaspersoft.htmlCVE reference · x_refsource_MISC
- https://cybersecurityworks.com/zerodays/cve-2018-18809-tibco.htmlCVE reference · x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-18809CVE reference · government-resource
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.
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.