How severe is CVE-2020-23890?

CVE-2020-23890 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-23890 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-23890?

CVE-2020-23890 affects Wildbit-soft Wildbit Viewer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-23890?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-23890 published?

CVE-2020-23890 was published on 2021-11-10 and last updated on 2026-06-17.

CVE-2020-23890

CVE-2020-23890 is a medium-severity vulnerability in Wildbit-soft Wildbit Viewer with a CVSS 3.x base score of 5.5. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Wildbit-soft Wildbit Viewer
Published: 2021-11-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-23890?: 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.
How severe is CVE-2020-23890?: CVE-2020-23890 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-23890 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-23890?: CVE-2020-23890 affects Wildbit-soft Wildbit Viewer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-23890?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-23890 published?: CVE-2020-23890 was published on 2021-11-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wildbit-soft:wildbit_viewer:6.6:*:*:*:*:*:*:*

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