HIGH

CVE-2021-20294

CVSS v3

7.8

HIGH

EPSS Score

15.7%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

A flaw was found in binutils readelf 2.35 program. An attacker who is able to convince a victim using readelf to read a crafted file could trigger a stack buffer overflow, out-of-bounds write of arbitrary data supplied by the attacker. The highest impact of this flaw is to confidentiality, integrity, and availability.

Technical details

Published
4/29/2021

Frequently asked questions

What is CVE-2021-20294?

A flaw was found in binutils readelf 2.35 program. An attacker who is able to convince a victim using readelf to read a crafted file could trigger a stack buffer overflow, out-of-bounds write of arbitrary data supplied by the attacker. The highest impact of this flaw is to confidentiality, integrity, and availability.

Is CVE-2021-20294 actively exploited?

Active exploitation of CVE-2021-20294 has not been confirmed. The EPSS score is 15.7%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-20294?

CVE-2021-20294 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2021-20294 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.