How severe is CVE-2020-36244?

CVE-2020-36244 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-36244 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36244?

CVE-2020-36244 primarily affects Genivi Diagnostic Log And Trace. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-36244?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-36244 published?

CVE-2020-36244 was published on 2021-02-10 and last updated on 2026-06-17.

CVE-2020-36244

CVE-2020-36244 is a critical-severity vulnerability in Genivi Diagnostic Log And Trace with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Genivi Diagnostic Log And Trace
Published: 2021-02-10
Last modified: 2026-06-17

Description

The daemon in GENIVI diagnostic log and trace (DLT), is vulnerable to a heap-based buffer overflow that could allow an attacker to remotely execute arbitrary code on the DLT-Daemon (versions prior to 2.18.6).

Frequently asked questions

What is CVE-2020-36244?: The daemon in GENIVI diagnostic log and trace (DLT), is vulnerable to a heap-based buffer overflow that could allow an attacker to remotely execute arbitrary code on the DLT-Daemon (versions prior to 2.18.6).
How severe is CVE-2020-36244?: CVE-2020-36244 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-36244 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36244?: CVE-2020-36244 primarily affects Genivi Diagnostic Log And Trace. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-36244?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-36244 published?: CVE-2020-36244 was published on 2021-02-10 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:genivi:diagnostic_log_and_trace:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

More vulnerabilities in Genivi Diagnostic Log And Trace

CVE-2020-29394 — High (CVSS 7.8): A buffer overflow in the dlt_filter_load function in dlt_common.c from dlt-daemon through 2.18.5 (GENIVI Diagnostic Log…
CVE-2022-31291 — High (CVSS 7.5): An issue in dlt_config_file_parser.c of dlt-daemon v2.18.8 allows attackers to cause a double free via crafted TCP…
CVE-2021-29507 — Medium (CVSS 5.7): GENIVI Diagnostic Log and Trace (DLT) provides a log and trace interface. In versions of GENIVI DLT between 2.10.0 and…
CVE-2022-39837 — Medium (CVSS 5.5): An issue was discovered in Connected Vehicle Systems Alliance (COVESA) dlt-daemon through 2.18.8. Due to a faulty DLT…
CVE-2022-39836 — Medium (CVSS 5.5): An issue was discovered in Connected Vehicle Systems Alliance (COVESA) dlt-daemon through 2.18.8. Due to a faulty DLT…

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