CVE-2020-23911
MEDIUMCVSS 5.5/10EPSS 0.27%
Last modified
CVE-2020-23911 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An issue was discovered in asn1c through v0.9.28. A NULL pointer dereference exists in the function _default_error_logger() located in asn1fix.c. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
An issue was discovered in asn1c through v0.9.28. A NULL pointer dereference exists in the function _default_error_logger() located in asn1fix.c. It allows an attacker to cause Denial of Service.
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 |
|---|---|---|
| Asn1c Project | Asn1c | <= 0.9.28 |
References
- https://github.com/vlm/asn1c/issues/394Exploit, Issue Tracking, Patch, Vendor Advisory
- https://github.com/vlm/asn1c/issues/394Exploit, Issue Tracking, Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-23911?
An issue was discovered in asn1c through v0.9.28. A NULL pointer dereference exists in the function _default_error_logger() located in asn1fix.c. It allows an attacker to cause Denial of Service.
How severe is CVE-2020-23911?
CVE-2020-23911 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2020-23911?
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-2020-23911?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST