CVE-2020-27794
CRITICALCVSS 9.1/10EPSS 0.91%
Last modified
CVE-2020-27794 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. A double free issue was discovered in radare2 in cmd_info.c:cmd_info(). Successful exploitation could lead to modification of unexpected memory locations and potentially causing a crash.. EPSS estimates a 0.91% chance of exploitation in the next 30 days.
Description
A double free issue was discovered in radare2 in cmd_info.c:cmd_info(). Successful exploitation could lead to modification of unexpected memory locations and potentially causing a crash.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Radare | Radare2 | < 4.4.0 |
References
- https://github.com/radareorg/radare2/commit/cb8b683758edddae2d2f62e8e63a738c39f92683Patch, Third Party Advisory
- https://github.com/radareorg/radare2/issues/16303Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/radareorg/radare2/commit/cb8b683758edddae2d2f62e8e63a738c39f92683Patch, Third Party Advisory
- https://github.com/radareorg/radare2/issues/16303Exploit, Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-27794?
A double free issue was discovered in radare2 in cmd_info.c:cmd_info(). Successful exploitation could lead to modification of unexpected memory locations and potentially causing a crash.
How severe is CVE-2020-27794?
CVE-2020-27794 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.
How do I fix CVE-2020-27794?
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-2020-27794?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST