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CVE-2020-5769
Insufficient output sanitization in Teltonika firmware TRB2_R_00.02.02 allows a remote, authenticated attacker to conduct persistent…
Medium5.4EPSS 0.64%
- Published
- Updated
- Reserved
- Assigned by
- tenable
Description
Insufficient output sanitization in Teltonika firmware TRB2_R_00.02.02 allows a remote, authenticated attacker to conduct persistent cross-site scripting (XSS) attacks by injecting malicious client-side code into the 'URL/ Host / Connection' form in the 'DATA TO SERVER' configuration section.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.64% · top 49% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.
Weakness
- Authenticated Stored Cross-site Scripting (XSS)
- CWE-79 (opens in a new tab)All about CWE-79 and its CVEs
Affected products
Teltonika Gateway TRB245
- affected TRB2_R_00.02.02 firmware
References (1)
- https://www.tenable.com/security/research/tra-2020-43-0 (opens in a new tab)x_refsource_CONFIRMx_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-2020-5769)Record last updated .