CVE-2020-24133

Name: CVE-2020-24133
Creator: NVD / NIST
Published: 2021-07-14T22:15:10.49+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.63%

Last modified Jun 17, 2026

CVE-2020-24133 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A heap buffer overflow vulnerability in the r_asm_swf_disass function of Radare2-extras before commit e74a93c allows attackers to execute arbitrary code or carry out denial of service (DOS) attacks.. EPSS estimates a 2.63% chance of exploitation in the next 30 days.

Description

A heap buffer overflow vulnerability in the r_asm_swf_disass function of Radare2-extras before commit e74a93c allows attackers to execute arbitrary code or carry out denial of service (DOS) attacks.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.63%

83.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Radare	Radare2-Extras	< 5.1.0

References

https://cwe.mitre.org/data/definitions/122.htmlTechnical Description
https://github.com/radareorg/radare2-extras/pull/255Patch, Third Party Advisory
https://github.com/radareorg/radare2-extras/pull/255/commits/4a8b24475549ff10bdf6d07fd4b5f6c1cc6246eaPatch, Third Party Advisory
https://github.com/radareorg/radare2-extras/pull/255/commits/9f6a221433964d9b14f3ed78bc9fb059395b893bPatch, Third Party Advisory
https://cwe.mitre.org/data/definitions/122.htmlTechnical Description
https://github.com/radareorg/radare2-extras/pull/255Patch, Third Party Advisory
https://github.com/radareorg/radare2-extras/pull/255/commits/4a8b24475549ff10bdf6d07fd4b5f6c1cc6246eaPatch, Third Party Advisory
https://github.com/radareorg/radare2-extras/pull/255/commits/9f6a221433964d9b14f3ed78bc9fb059395b893bPatch, Third Party Advisory

Timeline

Published: Jul 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-24133?

A heap buffer overflow vulnerability in the r_asm_swf_disass function of Radare2-extras before commit e74a93c allows attackers to execute arbitrary code or carry out denial of service (DOS) attacks.

How severe is CVE-2020-24133?

CVE-2020-24133 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.63% probability of exploitation in the next 30 days.

How do I fix CVE-2020-24133?

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-2020-24133?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST