Vulnerability in Radare Radare2
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.011 (64.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: +0.000
Affected products
- Radare Radare2
- Radare2 — versions Fixed in v4.4.0.
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/radareorg/radare2/issues/16304 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- github.com/radareorg/radare2/commit/ced0223c7a1b3b5344af315715cd28fe7c0d9ebc (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27793?
- CVE-2020-27793 is a high-severity vulnerability in Radare Radare2, classified under Off-by-one Error. CVSS score: 7.5/10. Published 2022-08-19.
- How severe is CVE-2020-27793?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-27793 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.