CVE-2018-18809
Published: December 29, 2022
Official Description
TIBCO JasperReports Library contains a directory-traversal vulnerability that may allow web server users to access contents of the host system.
CISA KEV Advisory
TIBCO JasperReports Library Directory Traversal Vulnerability
TIBCO JasperReports Library contains a directory-traversal vulnerability that may allow web server users to access contents of the host system.
Apply updates per vendor instructions.
Risk Analysis
TIBCO JasperReports Library contains a directory-traversal vulnerability, allowing web server users to access content on the host system. The high EPSS score of 0.93909 indicates a very high likelihood of exploitation, and its presence in CISA's KEV confirms active exploitation.
This vulnerability is actively being exploited in the wild. It is remotely exploitable.
Apply the necessary patches for TIBCO JasperReports Library to prevent directory traversal and unauthorized access to host system contents.
Technical Analysis
CVE-2018-18809 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2018-18809 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-18809 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1