CVE-2020-5773

Name: CVE-2020-5773
Creator: NVD / NIST
Published: 2020-08-03T20:15:16.45+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.99%

Last modified Jun 17, 2026

CVE-2020-5773 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Improper Access Control in Teltonika firmware TRB2_R_00.02.04.01 allows a low privileged user to perform unauthorized write operations.. EPSS estimates a 0.99% chance of exploitation in the next 30 days.

Description

Improper Access Control in Teltonika firmware TRB2_R_00.02.04.01 allows a low privileged user to perform unauthorized write operations.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.99%

58.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Teltonika-Networks	Trb245 Firmware	00.02.04.01

References

https://www.tenable.com/security/research/tra-2020-48Exploit, Third Party Advisory
https://www.tenable.com/security/research/tra-2020-48Exploit, Third Party Advisory

Timeline

Published: Aug 3, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5773?

Improper Access Control in Teltonika firmware TRB2_R_00.02.04.01 allows a low privileged user to perform unauthorized write operations.

How severe is CVE-2020-5773?

CVE-2020-5773 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5773?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-5773?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST