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Vulnerability details: VCID-qsmt-fq5e-1bcs
Vulnerability ID VCID-qsmt-fq5e-1bcs
Aliases CVE-2021-3800
Summary A flaw was found in glib before version 2.63.6. Due to random charset alias, pkexec can leak content from files owned by privileged users to unprivileged ones under the right condition.
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-552 Files or Directories Accessible to External Parties
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3800.json
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
epss 0.00056 https://api.first.org/data/v1/epss?cve=CVE-2021-3800
cvssv3.1 4.7 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2021-3800
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3800.json
https://api.first.org/data/v1/epss?cve=CVE-2021-3800
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3800
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://gitlab.gnome.org/GNOME/glib/-/commit/3529bb4450a51995
https://lists.debian.org/debian-lts-announce/2022/09/msg00020.html
https://security.netapp.com/advisory/ntap-20221028-0004/
https://www.openwall.com/lists/oss-security/2017/06/23/8
1938284 https://bugzilla.redhat.com/show_bug.cgi?id=1938284
cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
CVE-2021-3800 https://access.redhat.com/security/cve/CVE-2021-3800
CVE-2021-3800 https://nvd.nist.gov/vuln/detail/CVE-2021-3800
RHSA-2021:4385 https://access.redhat.com/errata/RHSA-2021:4385
USN-5189-1 https://usn.ubuntu.com/5189-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3800.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:H/PR:N/UI:R/S:U/C:H/I:N/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: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-3800
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 0.14632
EPSS Score 0.00048
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:43:28.138973+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/5189-1/ 37.0.0