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Vulnerability details: VCID-c3xb-cvac-tbb9
Vulnerability ID VCID-c3xb-cvac-tbb9
Aliases CVE-2020-35493
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-20 Improper Input Validation
CWE-122 Heap-based Buffer Overflow
CWE-125 Out-of-bounds Read
System Score Found at
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-35493.json
epss 0.00298 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00298 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00359 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00469 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00469 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00469 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
epss 0.00511 https://api.first.org/data/v1/epss?cve=CVE-2020-35493
cvssv3.1 5.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-35493
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2020-35493
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-35493.json
https://api.first.org/data/v1/epss?cve=CVE-2020-35493
https://bugzilla.redhat.com/show_bug.cgi?id=1911437
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35493
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4KOK3QWSVOUJWJ54HVGIFWNLWQ5ZY4S6/
https://security.gentoo.org/glsa/202107-24
https://security.netapp.com/advisory/ntap-20210212-0007/
cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire\,_enterprise_sds_\&_hci_storage_node:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:solidfire\,_enterprise_sds_\&_hci_storage_node:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
CVE-2020-35493 https://nvd.nist.gov/vuln/detail/CVE-2020-35493
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-35493.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-35493
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-35493
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.52802
EPSS Score 0.00298
Published At Sept. 23, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T10:14:05.488246+00:00 NVD Importer Import https://nvd.nist.gov/vuln/detail/CVE-2020-35493 37.0.0