CVE-2020-35493

Name: CVE-2020-35493
Creator: NVD / NIST
Published: 2021-01-04T15:15:12.777+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 1.13%

Last modified Jun 17, 2026

CVE-2020-35493 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A flaw exists in binutils in bfd/pef.c. An attacker who is able to submit a crafted PEF file to be parsed by objdump could cause a heap buffer overflow -> out-of-bounds read that could lead to an impact to application availability. EPSS estimates a 1.13% chance of exploitation in the next 30 days.

Description

A flaw exists in binutils in bfd/pef.c. An attacker who is able to submit a crafted PEF file to be parsed by objdump could cause a heap buffer overflow -> out-of-bounds read that could lead to an impact to application availability. This flaw affects binutils versions prior to 2.34.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

1.13%

62.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Gnu	Binutils	< 2.34
Fedoraproject	Fedora	32
Netapp	Cloud Backup	All versions
Netapp	Ontap Select Deploy Administration Utility	All versions
Netapp	Solidfire\, Enterprise Sds \& Hci Storage Node	All versions
Netapp	Solidfire \& Hci Management Node	All versions
Broadcom	Brocade Fabric Operating System Firmware	All versions
Netapp	Hci Compute Node Firmware	All versions

References

https://bugzilla.redhat.com/show_bug.cgi?id=1911437Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4KOK3QWSVOUJWJ54HVGIFWNLWQ5ZY4S6/
https://security.gentoo.org/glsa/202107-24Third Party Advisory
https://security.netapp.com/advisory/ntap-20210212-0007/Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1911437Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4KOK3QWSVOUJWJ54HVGIFWNLWQ5ZY4S6/
https://security.gentoo.org/glsa/202107-24Third Party Advisory
https://security.netapp.com/advisory/ntap-20210212-0007/Third Party Advisory

Timeline

Published: Jan 4, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-35493?

How severe is CVE-2020-35493?

CVE-2020-35493 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.13% probability of exploitation in the next 30 days.

How do I fix CVE-2020-35493?

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-2020-35493?

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

Scan your code now

Source: NVD / NIST