HOMEVULNERABILITIESCVE-2020-35507
MEDIUM

CVE-2020-35507

CWE-476Published: January 4, 2021· Updated: Jun 17, 2026

5.5
CVSS v3.1

Official Description

There's a flaw in bfd_pef_parse_function_stubs of bfd/pef.c in binutils in versions prior to 2.34 which could allow an attacker who is able to submit a crafted file to be processed by objdump to cause a NULL pointer dereference. The greatest threat of this flaw is to application availability.

NVD Source

Technical Analysis

CVE-2020-35507 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Vendors & Products

broadcom1 product(s)
brocade fabric operating system
gnu1 product(s)
binutils
netapp6 product(s)
hci compute node firmwarehci compute nodecloud backupontap select deploy administration utilitysolidfire\, enterprise sds \& hci storage nodesolidfire \& hci management node
Red Hat1 product(s)
enterprise linux
Source: NVD CPE · 9 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (6)

https://bugzilla.redhat.com/show_bug.cgi?id=1911691Exploit · Issue Tracking · Patch · Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1911691Exploit · Issue Tracking · Patch · Third Party Advisory

Quick Facts

CVE IDCVE-2020-35507
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-476
CISA KEVNo
Affected4 vendor(s)
PublishedJan 4, 2021

Related CVEs (CWE-476)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-35507 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.