CVE-2020-29394

Name: CVE-2020-29394
Creator: NVD / NIST
Published: 2020-11-30T19:15:12.487+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.86%

Last modified Jun 17, 2026

CVE-2020-29394 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A buffer overflow in the dlt_filter_load function in dlt_common.c from dlt-daemon through 2.18.5 (GENIVI Diagnostic Log and Trace) allows arbitrary code execution because fscanf is misused (no limit on the number of characters to be read in the format argument).. EPSS estimates a 1.86% chance of exploitation in the next 30 days.

Description

A buffer overflow in the dlt_filter_load function in dlt_common.c from dlt-daemon through 2.18.5 (GENIVI Diagnostic Log and Trace) allows arbitrary code execution because fscanf is misused (no limit on the number of characters to be read in the format argument).

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

1.86%

76.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Genivi	Diagnostic Log And Trace	<= 2.18.5
Debian	Debian Linux	10.0

References

https://github.com/GENIVI/dlt-daemon/issues/274Exploit, Patch, Third Party Advisory
https://github.com/GENIVI/dlt-daemon/pull/275Patch, Third Party Advisory
https://github.com/GENIVI/dlt-daemon/pull/288Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00016.htmlMailing List, Third Party Advisory
https://github.com/GENIVI/dlt-daemon/issues/274Exploit, Patch, Third Party Advisory
https://github.com/GENIVI/dlt-daemon/pull/275Patch, Third Party Advisory
https://github.com/GENIVI/dlt-daemon/pull/288Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00016.htmlMailing List, Third Party Advisory

Timeline

Published: Nov 30, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-29394?

How severe is CVE-2020-29394?

CVE-2020-29394 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.86% probability of exploitation in the next 30 days.

How do I fix CVE-2020-29394?

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-2020-29394?

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

Scan your code now

Source: NVD / NIST