CVE-2020-23890

Name: CVE-2020-23890
Creator: NVD / NIST
Published: 2021-11-10T22:15:10.34+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.69%

Last modified Jun 17, 2026

CVE-2020-23890 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A buffer overflow in WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted JPG file. Related to Data from Faulting Address is used as one or more arguments in a subsequent Function Call starting at JPGCodec+0x753648.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.

Description

A buffer overflow in WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted JPG file. Related to Data from Faulting Address is used as one or more arguments in a subsequent Function Call starting at JPGCodec+0x753648.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.69%

48.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Wildbit-Soft	Wildbit Viewer	6.6

References

https://github.com/Aurorainfinity/vulnerabilities/blob/master/WildBit_Viewer/jpg_file_format.mdExploit, Third Party Advisory
https://www.wildbit-soft.fi/software.htmlProduct
https://github.com/Aurorainfinity/vulnerabilities/blob/master/WildBit_Viewer/jpg_file_format.mdExploit, Third Party Advisory
https://www.wildbit-soft.fi/software.htmlProduct

Timeline

Published: Nov 10, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-23890?

How severe is CVE-2020-23890?

CVE-2020-23890 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.

How do I fix CVE-2020-23890?

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-2020-23890?

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

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Source: NVD / NIST