CVE-2020-27793
HIGHCVSS 7.5/10EPSS 0.92%
Last modified
CVE-2020-27793 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An off-by-one overflow flaw was found in radare2 due to mismatched array length in core_java.c. This could allow an attacker to cause a crash, and perform a denail of service attack.. EPSS estimates a 0.92% chance of exploitation in the next 30 days.
Description
An off-by-one overflow flaw was found in radare2 due to mismatched array length in core_java.c. This could allow an attacker to cause a crash, and perform a denail of service attack.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Radare | Radare2 | < 4.4.0 |
References
- https://github.com/radareorg/radare2/commit/ced0223c7a1b3b5344af315715cd28fe7c0d9ebcPatch, Third Party Advisory
- https://github.com/radareorg/radare2/issues/16304Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/radareorg/radare2/commit/ced0223c7a1b3b5344af315715cd28fe7c0d9ebcPatch, Third Party Advisory
- https://github.com/radareorg/radare2/issues/16304Exploit, Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-27793?
An off-by-one overflow flaw was found in radare2 due to mismatched array length in core_java.c. This could allow an attacker to cause a crash, and perform a denail of service attack.
How severe is CVE-2020-27793?
CVE-2020-27793 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.
How do I fix CVE-2020-27793?
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.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2020-27793?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST