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CVE-2020-9050
Metasys Reporting Engine (MRE) Web Services - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
High7.5EPSS 3.8%
- Published
- Updated
- Reserved
- Assigned by
- jci
Description
Path Traversal vulnerability exists in Metasys Reporting Engine (MRE) Web Services which could allow a remote unauthenticated attacker to access and download arbitrary files from the system.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| jciCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 3.8% · top 10.0% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- CWE 22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CWE-22 (opens in a new tab)All about CWE-22 and its CVEs
Affected products
Johnson Controls · Metasys Reporting Engine (MRE) Web Services versions 2.0 and 2.1
- affected 2.0
- affected 2.1
What to do
Solution: • Upgrade to MRE v2.2 or later. • Customers with licenses for MRE should contact their local branch office for remediation.
References (2)
- https://www.johnsoncontrols.com/cyber-solutions/security-advisories (opens in a new tab)x_refsource_CONFIRMx_transferred
- ICS-CERT Advisory (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-9050)Record last updated .