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Vulnerability details: VCID-bvt2-fa2f-jyhr
Vulnerability ID VCID-bvt2-fa2f-jyhr
Aliases CVE-2021-43396
Summary glibc: conversion from ISO-2022-JP-3 with iconv may emit spurious NUL character on state reset
Status Disputed
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-20 Improper Input Validation
System Score Found at
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00116 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00118 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00118 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00118 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00118 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00118 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00118 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00118 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00118 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
epss 0.00118 https://api.first.org/data/v1/epss?cve=CVE-2021-43396
cvssv3.1 3.7 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2021-43396
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2021-43396
archlinux High https://security.archlinux.org/AVG-1621
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-43396.json
https://api.first.org/data/v1/epss?cve=CVE-2021-43396
https://blog.tuxcare.com/vulnerability/vulnerability-in-iconv-identified-by-tuxcare-team-cve-2021-43396
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43396
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://sourceware.org/bugzilla/show_bug.cgi?id=28524
https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=ff012870b2c02a62598c04daa1e54632e020fd7d
https://www.oracle.com/security-alerts/cpujul2022.html
2020652 https://bugzilla.redhat.com/show_bug.cgi?id=2020652
998622 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=998622
AVG-1621 https://security.archlinux.org/AVG-1621
cpe:2.3:a:gnu:glibc:2.34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:glibc:2.34:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:22.1.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:22.1.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_network_repository_function:22.1.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:communications_cloud_native_core_network_repository_function:22.1.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_network_repository_function:22.2.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:communications_cloud_native_core_network_repository_function:22.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_security_edge_protection_proxy:22.1.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:communications_cloud_native_core_security_edge_protection_proxy:22.1.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_unified_data_repository:22.2.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:communications_cloud_native_core_unified_data_repository:22.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_operations_monitor:4.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:enterprise_operations_monitor:4.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_operations_monitor:4.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:enterprise_operations_monitor:4.4:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_operations_monitor:5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:enterprise_operations_monitor:5.0:*:*:*:*:*:*:*
CVE-2021-43396 https://nvd.nist.gov/vuln/detail/CVE-2021-43396
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N 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:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-43396
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:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-43396
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 0.31194
EPSS Score 0.00116
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T20:39:34.822049+00:00 NVD CVE Status Improver Improve https://cveawg.mitre.org/api/cve/CVE-2021-43396 37.0.0
2025-07-31T10:13:45.401754+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-43396.json 37.0.0