9.1

CVE-2020-27794: radare radare2 Double Free

CVSS: 9.1v3.1CriticalModified
AliasesUBUNTU-CVE-2020-27794
Published 19-08-2022Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-27794 is a critical (CVSS 9.1) Double Free vulnerability in radare radare2. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (NVD)
EPSS score
1.11%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 19-08-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.11%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

+0.02 pp

From 1.08% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.11%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Radare2

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Radare1 product
Ubuntu1 product
  • radare2All versions (No fix recorded)

2 vendors · 2 products

References

4 links