CVE & CISA-KEV Catalog

CVE-2020-27793

HIGH
7.5
CVSS v3
NVD

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.

How to fix

Remediation Available
radare2Debian
Fixed in:5.0.0+dfsg-1CVE-2020-27793

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

0.94%probability of exploitation in 30 days
58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Related Vulnerabilities

Other CWE-193 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2021-3156High7.899%KEVFix
CVE-2003-0466Critical9.878%--
CVE-2023-44444High7.856%-Fix
CVE-2021-23017High7.753%-Fix
CVE-2023-28709High7.550%-Fix
CVE-2018-8828Critical9.831%-Fix

Common questions

How do I fix CVE-2020-27793?

Upgrade radare2 on debian unstable to 5.0.0+dfsg-1 or later.

Is CVE-2020-27793 being actively exploited?

Not that we know of. CVE-2020-27793 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.94% is the estimated probability that it will be exploited in the next 30 days. That is higher than 58% of all scored CVEs.

How severe is CVE-2020-27793?

CVE-2020-27793 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2020-27793 affect?

Published advisories record a fix for radare2 (Debian). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2020-27793
CVE-2020-27793 severity badge

Markdown

[![CVE-2020-27793](https://tridentstack.com/cve/badge/CVE-2020-27793.svg)](https://tridentstack.com/cve/CVE-2020-27793)

HTML

<a href="https://tridentstack.com/cve/CVE-2020-27793"><img src="https://tridentstack.com/cve/badge/CVE-2020-27793.svg" alt="CVE-2020-27793"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it worksStart freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.