MEDIUM
CVE-2020-35495
CWE-476Published: January 4, 2021· Updated: Jun 17, 2026
5.5
CVSS v3.1
Official Description
There's a flaw in binutils /bfd/pef.c. An attacker who is able to submit a crafted input file to be processed by the objdump program could cause a null pointer dereference. The greatest threat from this flaw is to application availability. This flaw affects binutils versions prior to 2.34.
Technical Analysis
CVE-2020-35495 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 firmware
Fedora1 product(s)
fedora
gnu1 product(s)
binutils
netapp6 product(s)
cloud backupontap select deploy administration utilitysolidfire\, enterprise sds \& hci storage nodesolidfire \& hci management nodehci compute node firmwarehci compute node
Source: NVD CPE · 9 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (8)
→
https://bugzilla.redhat.com/show_bug.cgi?id=1911441Exploit · Issue Tracking · Patch · Third Party Advisory
→
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=1911441Exploit · Issue Tracking · Patch · Third Party Advisory
→
https://security.gentoo.org/glsa/202107-24Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20210212-0007/Third Party Advisory
Quick Facts
CVE IDCVE-2020-35495
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-2020-35495 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.