Search for vulnerabilities
Vulnerability details: VCID-yuxd-4zd7-aaab
Vulnerability ID VCID-yuxd-4zd7-aaab
Aliases CVE-2021-3533
PYSEC-2021-126
Summary A flaw was found in Ansible if an ansible user sets ANSIBLE_ASYNC_DIR to a subdirectory of a world writable directory. When this occurs, there is a race condition on the managed machine. A malicious, non-privileged account on the remote machine can exploit the race condition to access the async result data. This flaw affects Ansible Tower 3.7 and Ansible Automation Platform 1.2.
Status Invalid
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
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
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
System Score Found at
cvssv3 5.0 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3533.json
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2021-3533
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2021-3533
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2021-3533
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2021-3533
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2021-3533
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2021-3533
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2021-3533
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2021-3533
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2021-3533
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2021-3533
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2021-3533
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2021-3533
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2021-3533
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2021-3533
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2021-3533
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2021-3533
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1956477
cvssv3.1 5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 1.2 https://nvd.nist.gov/vuln/detail/CVE-2021-3533
cvssv3 2.5 https://nvd.nist.gov/vuln/detail/CVE-2021-3533
archlinux Medium https://security.archlinux.org/AVG-2056
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3533.json
https://api.first.org/data/v1/epss?cve=CVE-2021-3533
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3533
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1014857 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1014857
1956477 https://bugzilla.redhat.com/show_bug.cgi?id=1956477
AVG-2056 https://security.archlinux.org/AVG-2056
cpe:2.3:a:redhat:ansible_automation_platform:1.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:ansible_automation_platform:1.2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:ansible_engine:2.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:ansible_engine:2.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:ansible_tower:3.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:ansible_tower:3.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:ansible_tower:3.7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:ansible_tower:3.7.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openstack-rdo:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:openstack-rdo:-:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
CVE-2021-3533 https://nvd.nist.gov/vuln/detail/CVE-2021-3533
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3533.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:L/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: AV:L/AC:H/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-3533
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:H/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-3533
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 0.13628
EPSS Score 0.00044
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
2025-04-18T09:12:22.488942+00:00 NVD CVE Status Improver Improve https://cveawg.mitre.org/api/cve/CVE-2021-3533 36.0.0