Security readout for executives and security teams
Plain-English summary
An authenticated JasperReports user could read application files, including configuration files. For executives, the main risk is confidential system information exposure that may help attackers expand access. CISA lists this CVE in KEV, so treat affected deployments as urgent, especially internet-facing or broadly accessible reporting portals.
Executive priority
Prioritize remediation in the next emergency patch cycle for any exposed or sensitive JasperReports deployment. KEV status means this is not only theoretical; affected systems may leak configuration data that supports deeper compromise.
Technical view
CVE-2018-5430 affects Spring web flows in listed TIBCO JasperReports products. With low-privileged authenticated access over the network, an attacker may gain read-only access to web application contents, including key configuration files. CVSS 3.0 is 7.7 with high confidentiality impact and no integrity or availability impact stated.
Likely exposure
Organizations are exposed if they run the affected JasperReports Server product lines at versions up to and including 6.4.2, including the named 6.3.x and 6.4.x releases. Exposure increases where many users can authenticate or where the portal is reachable from the internet.
Exploitation context
CISA KEV inclusion supports known exploitation. Public exploit references also exist, but this assessment avoids operational details. The source bundle does not provide current exploitation volume, targeting sectors, or confirmed post-exploitation outcomes.
Researcher notes
Evidence supports authenticated read-only file disclosure in the web application through Spring web flows. Sources identify affected product families and versions but do not include full fixed-version details in the bundle. Validate against vendor advisory before concluding remediation status.
Mitigation direction
- Identify all JasperReports Server and Jaspersoft AWS deployments.
- Follow the TIBCO advisory for vendor-supported fixes or upgrade guidance.
- Restrict network access to trusted users and administrative paths.
- Review exposed configuration files for secrets and rotate impacted credentials.
- Reduce unnecessary JasperReports accounts and enforce least privilege.
- Monitor for unusual authenticated file-access behavior.
Validation and detection
- Inventory product name, edition, and exact installed version.
- Compare versions against affected releases up to and including 6.4.2.
- Confirm whether the service is internet-facing or broadly reachable internally.
- Review logs for suspicious authenticated access to application files.
- Verify vendor remediation was applied according to TIBCO guidance.
- Check CISA KEV status for operational prioritization.
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.
CWE-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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 lookupCVE-2018-5430 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
- High
- CVSS
- 7.7 (3.0)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
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:N/A:N3.14Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.7HighVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 44623CVE reference · exploit, x_refsource_EXPLOIT-DB
- https://rhinosecuritylabs.com/application-security/authenticated-file-read-vulnerability-in-jasperreports/CVE reference · x_refsource_MISC
- https://www.tibco.com/support/advisories/2018/04/tibco-security-advisory-april-17-2018-tibco-jasperreports-2018-5430CVE reference · x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-5430CVE 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.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.