Is CVE-2020-36646 in the CISA KEV catalog?

No. CVE-2020-36646 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-36646?

CVE-2020-36646 has a CVSS v3 base score of 3.5 (LOW).

What is the EPSS score for CVE-2020-36646?

CVE-2020-36646 has an EPSS score of 1.18% (64th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-36646?

Upgrade libzen on debian 11 to 0.4.38-1+deb11u1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2020-36646

LOW

3.5

CVSS v3

NVD

Description

A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argument Value leads to unchecked return value to null pointer dereference. Upgrading to version 0.4.39 is able to address this issue. The identifier of the patch is 6475fcccd37c9cf17e0cfe263b5fe0e2e47a8408. It is recommended to upgrade the affected component. The identifier VDB-217629 was assigned to this vulnerability.

CWE-690 CWE-476NULL Pointer Dereference

How to fix

Remediation Available

libzenDebian

Fixed in:0.4.38-1+deb11u1CVE-2020-36646

Fixed in:0.4.39-1CVE-2020-36646

libzenUbuntu

Fixed in:0.4.29-1ubuntu0.1~esm1USN-6048-1

Fixed in:0.4.32-1ubuntu0.16.04.1+esm1USN-6048-1

Fixed in:0.4.37-1ubuntu0.18.04.1USN-6048-1

Fixed in:0.4.37-1ubuntu0.20.04.1USN-6048-1

libzen-devUbuntu

Fixed in:0.4.29-1ubuntu0.1~esm1USN-6048-1

Fixed in:0.4.32-1ubuntu0.16.04.1+esm1USN-6048-1

Fixed in:0.4.37-1ubuntu0.18.04.1USN-6048-1

Fixed in:0.4.37-1ubuntu0.20.04.1USN-6048-1

libzen0Ubuntu

Fixed in:0.4.29-1ubuntu0.1~esm1USN-6048-1

libzen0v5Ubuntu

Fixed in:0.4.32-1ubuntu0.16.04.1+esm1USN-6048-1

Fixed in:0.4.37-1ubuntu0.18.04.1USN-6048-1

Fixed in:0.4.37-1ubuntu0.20.04.1USN-6048-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

1.18%probability of exploitation in 30 days

64thpercentile

Moderate risk: more likely to be exploited than 64% of all known CVEs.

References

Patch2

Third-Party Advisory2

Release Notes1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.