CVE-2020-23894
MEDIUMCVSS 5.5/10EPSS 0.55%
Last modified
CVE-2020-23894 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A User Mode Write AV in ntdll!RtlpCoalesceFreeBlocks+0x268 of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tiff file.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
Description
A User Mode Write AV in ntdll!RtlpCoalesceFreeBlocks+0x268 of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tiff file.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wildbit-Soft | Wildbit Viewer | 6.6 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-23894?
A User Mode Write AV in ntdll!RtlpCoalesceFreeBlocks+0x268 of WildBit Viewer v6.6 allows attackers to cause a denial of service (DoS) via a crafted tiff file.
How severe is CVE-2020-23894?
CVE-2020-23894 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.
How do I fix CVE-2020-23894?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-23887XnView MP v0.96.4 was discovered to contain a heap overflow …5.5
- CVE-2020-23888A User Mode Write AV in Editor!TMethodImplementationIntercep…5.5
- CVE-2020-23889A User Mode Write AV starting at Editor!TMethodImplementatio…5.5
- CVE-2020-23890A buffer overflow in WildBit Viewer v6.6 allows attackers to…5.5
- CVE-2020-23891A User Mode Write AV in Editor+0x5cd7 of WildBit Viewer v6.6…5.5
- CVE-2020-23893A User Mode Write AV in Editor!TMethodImplementationIntercep…5.5
- CVE-2020-23895A User Mode Write AV in Editor+0x76af of WildBit Viewer v6.6…5.5
- CVE-2020-23896A User Mode Write AV in Editor+0x576b of WildBit Viewer v6.6…5.5
- CVE-2020-23897A User Mode Write AV in Editor!TMethodImplementationIntercep…5.5
- CVE-2020-23898A User Mode Write AV in Editor+0x5ea2 of WildBit Viewer v6.6…5.5
- CVE-2020-23899A User Mode Write AV in Editor+0x5f91 of WildBit Viewer v6.6…5.5
- CVE-2020-23900A buffer overflow in WildBit Viewer v6.6 allows attackers to…5.5
Are you affected by CVE-2020-23894?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST