How severe is CVE-2020-23899?

CVE-2020-23899 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-2020-23899 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-23899?

CVE-2020-23899 affects Wildbit-soft Wildbit Viewer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-23899?

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

When was CVE-2020-23899 published?

CVE-2020-23899 was published on 2021-11-10 and last updated on 2026-06-17.

CVE-2020-23899

CVE-2020-23899 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Wildbit-soft Wildbit Viewer
Published: 2021-11-10
Last modified: 2026-06-17

Description

A User Mode Write AV in Editor+0x5f91 of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tga file.

Frequently asked questions

What is CVE-2020-23899?: A User Mode Write AV in Editor+0x5f91 of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tga file.
How severe is CVE-2020-23899?: CVE-2020-23899 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-2020-23899 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-23899?: CVE-2020-23899 affects Wildbit-soft Wildbit Viewer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-23899?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-23899 published?: CVE-2020-23899 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:*:*:*:*:*:*:*

More vulnerabilities in Wildbit-soft Wildbit Viewer

CVE-2020-23902 — Medium (CVSS 5.5): A buffer overflow in WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tga file.…
CVE-2020-23901 — Medium (CVSS 5.5): A User Mode Write AV in Editor+0x5d15 of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a…
CVE-2020-23900 — Medium (CVSS 5.5): A buffer overflow in WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tga file.…
CVE-2020-23898 — Medium (CVSS 5.5): A User Mode Write AV in Editor+0x5ea2 of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a…
CVE-2020-23897 — Medium (CVSS 5.5): A User Mode Write AV in Editor!TMethodImplementationIntercept+0x54dcec of WildBit Viewer v6.6 allows attackers to cause…
CVE-2020-23896 — Medium (CVSS 5.5): A User Mode Write AV in Editor+0x576b of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a…

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