# CVE-2018-18809: TIBCO JasperReports Library Directory Traversal Vulnerability

- Exploited (CISA KEV): yes, added 2022-12-29
- Published: 2019-03-07
- CVSS: 9.9 CRITICAL (v3.0)
- EPSS: 79.1% (100th percentile)
- CWE: CWE-22

The default server implementation of TIBCO Software Inc.'s TIBCO JasperReports Library, TIBCO JasperReports Library Community Edition, TIBCO JasperReports Library for ActiveMatrix BPM, TIBCO JasperReports Server, TIBCO JasperReports Server Community Edition, TIBCO JasperReports Server for ActiveMatrix BPM, TIBCO Jaspersoft for AWS with Multi-Tenancy, and TIBCO Jaspersoft Reporting and Analytics for AWS contains a directory-traversal vulnerability that may theoretically allow web server users to access contents of the host system. Affected releases are TIBCO Software Inc.'s TIBCO JasperReports Library: versions up to and including 6.3.4; 6.4.1; 6.4.2; 6.4.21; 7.1.0; 7.2.0, TIBCO JasperReports Library Community Edition: versions up to and including 6.7.0, TIBCO JasperReports Library for ActiveMatrix BPM: versions up to and including 6.4.21, TIBCO JasperReports Server: versions up to and including 6.3.4; 6.4.0; 6.4.1; 6.4.2; 6.4.3; 7.1.0, TIBCO JasperReports Server Community Edition: versions up to and including 6.4.3; 7.1.0, TIBCO JasperReports Server for ActiveMatrix BPM: versions up to and including 6.4.3, TIBCO Jaspersoft for AWS with Multi-Tenancy: versions up to and including 7.1.0, TIBCO Jaspersoft Reporting and Analytics for AWS: versions up to and including 7.1.0.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | Before feed history | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | Before feed history | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | Before feed history | — | — |

## Our test (measured)

- OWASP Core Rule Set 4.25.0, paranoia level 1, anomaly threshold 5, default CRS settings: blocked (1 of 1 requests blocked), template CVE-2018-18809, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: blocked (1 of 1 requests blocked), template CVE-2018-18809, 2026-11-02

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2018-18809 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2018-18809