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CVE-2021-42096 (GCVE-0-2021-42096)
Vulnerability from cvelistv5 – Published: 2021-10-21 00:40 – Updated: 2024-08-04 03:22- n/a
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cve-2021-42096
Vulnerability from osv_almalinux
Mailman is a program used to help manage e-mail discussion lists.
Security Fix(es):
-
mailman: CSRF token bypass allows to perform CSRF attacks and account takeover (CVE-2021-42097)
-
mailman: CSRF token derived from admin password allows offline brute-force attack (CVE-2021-42096)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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"id": "ALSA-2021:4826",
"modified": "2021-11-24T20:52:59Z",
"published": "2021-11-23T20:17:35Z",
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],
"summary": "Important: mailman:2.1 security update"
}
RHSA-2021_4838
Vulnerability from csaf_redhat - Published: 2021-11-24 08:34 - Updated: 2024-11-22 17:51Notes
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"text": "Sensitive information is exposed to unprivileged users in mailman. The hash of the list admin password is used to derive the CSRF (Cross-site Request Forgery) token, which is exposed to unprivileged members of a list. Malicious members may use the CSRF token to perform an offline brute-force attack to retrieve the list admin password.",
"title": "Vulnerability description"
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"text": "mailman: CSRF token derived from admin password allows offline brute-force attack",
"title": "Vulnerability summary"
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{
"category": "other",
"text": "This issue did not affect the versions of mailman as shipped with Red Hat Enterprise Linux 6, and 7 as they did not use CSRF tokens in members pages.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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},
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"url": "https://www.cve.org/CVERecord?id=CVE-2021-42096"
},
{
"category": "external",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-42096"
}
],
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}
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{
"category": "impact",
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}
],
"title": "mailman: CSRF token derived from admin password allows offline brute-force attack"
},
{
"cve": "CVE-2021-42097",
"cwe": {
"id": "CWE-352",
"name": "Cross-Site Request Forgery (CSRF)"
},
"discovery_date": "2021-11-05T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2020568"
}
],
"notes": [
{
"category": "description",
"text": "A Cross-Site Request Forgery (CSRF) attack can be performed in mailman due to a CSRF token bypass. CSRF tokens are not checked against the right user and a token created by one user can be used by another one to perform a request, effectively bypassing the protection provided by CSRF tokens. A remote attacker with an account on the mailman system can use this flaw to perform a CSRF attack and perform operations on behalf of the victim user.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "mailman: CSRF token bypass allows to perform CSRF attacks and account takeover",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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{
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{
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}
],
"title": "mailman: CSRF token bypass allows to perform CSRF attacks and account takeover"
}
]
}
RHSA-2021:4826
Vulnerability from csaf_redhat - Published: 2021-11-23 20:39 - Updated: 2025-11-21 18:27Notes
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Important"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "An update for the mailman:2.1 module is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
"title": "Topic"
},
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{
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{
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{
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{
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{
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RHSA-2021:4837
Vulnerability from csaf_redhat - Published: 2021-11-24 08:37 - Updated: 2025-11-21 18:27Notes
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"ids": [
{
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],
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{
"category": "description",
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"title": "Vulnerability description"
},
{
"category": "summary",
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"title": "Vulnerability summary"
},
{
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},
{
"category": "general",
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],
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{
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}
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{
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{
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{
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},
{
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}
]
}
RHSA-2021:4838
Vulnerability from csaf_redhat - Published: 2021-11-24 08:34 - Updated: 2025-11-21 18:27Notes
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{
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{
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{
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},
{
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},
{
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"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
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"version": "3.1"
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{
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{
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{
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"title": "mailman: CSRF token bypass allows to perform CSRF attacks and account takeover"
}
]
}
RHSA-2021_4826
Vulnerability from csaf_redhat - Published: 2021-11-23 20:39 - Updated: 2024-11-22 17:51Notes
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],
"title": "mailman: CSRF token bypass allows to perform CSRF attacks and account takeover"
}
]
}
RHSA-2021:4839
Vulnerability from csaf_redhat - Published: 2021-11-24 08:42 - Updated: 2025-11-21 18:27Notes
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}
]
}
RHSA-2021_4839
Vulnerability from csaf_redhat - Published: 2021-11-24 08:42 - Updated: 2024-11-22 17:51Notes
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "mailman: CSRF token derived from admin password allows offline brute-force attack"
},
{
"cve": "CVE-2021-42097",
"cwe": {
"id": "CWE-352",
"name": "Cross-Site Request Forgery (CSRF)"
},
"discovery_date": "2021-11-05T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2020568"
}
],
"notes": [
{
"category": "description",
"text": "A Cross-Site Request Forgery (CSRF) attack can be performed in mailman due to a CSRF token bypass. CSRF tokens are not checked against the right user and a token created by one user can be used by another one to perform a request, effectively bypassing the protection provided by CSRF tokens. A remote attacker with an account on the mailman system can use this flaw to perform a CSRF attack and perform operations on behalf of the victim user.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "mailman: CSRF token bypass allows to perform CSRF attacks and account takeover",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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]
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"references": [
{
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"summary": "Canonical URL",
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},
{
"category": "external",
"summary": "RHBZ#2020568",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2020568"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2021-42097",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-42097"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-42097",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-42097"
}
],
"release_date": "2021-10-21T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2021-11-24T08:42:57+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2021:4839"
},
{
"category": "workaround",
"details": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.",
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]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "mailman: CSRF token bypass allows to perform CSRF attacks and account takeover"
}
]
}
RHSA-2021_4837
Vulnerability from csaf_redhat - Published: 2021-11-24 08:37 - Updated: 2024-11-22 17:51Notes
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"text": "An update for the mailman:2.1 module is now available for Red Hat Enterprise Linux 8.2 Extended Update Support.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
"title": "Topic"
},
{
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"text": "Mailman is a program used to help manage e-mail discussion lists.\n\nSecurity Fix(es):\n\n* mailman: CSRF token bypass allows to perform CSRF attacks and account takeover (CVE-2021-42097)\n\n* mailman: CSRF token derived from admin password allows offline brute-force attack (CVE-2021-42096)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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},
{
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"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
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"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_4837.json"
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"title": "Red Hat Security Advisory: mailman:2.1 security update",
"tracking": {
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"ids": [
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"text": "2020575"
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"category": "description",
"text": "Sensitive information is exposed to unprivileged users in mailman. The hash of the list admin password is used to derive the CSRF (Cross-site Request Forgery) token, which is exposed to unprivileged members of a list. Malicious members may use the CSRF token to perform an offline brute-force attack to retrieve the list admin password.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "mailman: CSRF token derived from admin password allows offline brute-force attack",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue did not affect the versions of mailman as shipped with Red Hat Enterprise Linux 6, and 7 as they did not use CSRF tokens in members pages.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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{
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],
"title": "mailman: CSRF token derived from admin password allows offline brute-force attack"
},
{
"cve": "CVE-2021-42097",
"cwe": {
"id": "CWE-352",
"name": "Cross-Site Request Forgery (CSRF)"
},
"discovery_date": "2021-11-05T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2020568"
}
],
"notes": [
{
"category": "description",
"text": "A Cross-Site Request Forgery (CSRF) attack can be performed in mailman due to a CSRF token bypass. CSRF tokens are not checked against the right user and a token created by one user can be used by another one to perform a request, effectively bypassing the protection provided by CSRF tokens. A remote attacker with an account on the mailman system can use this flaw to perform a CSRF attack and perform operations on behalf of the victim user.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "mailman: CSRF token bypass allows to perform CSRF attacks and account takeover",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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{
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"details": "Important"
}
],
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}
]
}
GHSA-C875-CGWJ-4FJW
Vulnerability from github – Published: 2022-05-24 19:18 – Updated: 2022-05-24 19:18GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A certain csrf_token value is derived from the admin password, and may be useful in conducting a brute-force attack against that password.
{
"affected": [],
"aliases": [
"CVE-2021-42096"
],
"database_specific": {
"cwe_ids": [
"CWE-307"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-10-21T01:15:00Z",
"severity": "MODERATE"
},
"details": "GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A certain csrf_token value is derived from the admin password, and may be useful in conducting a brute-force attack against that password.",
"id": "GHSA-c875-cgwj-4fjw",
"modified": "2022-05-24T19:18:31Z",
"published": "2022-05-24T19:18:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-42096"
},
{
"type": "WEB",
"url": "https://bugs.launchpad.net/mailman/+bug/1947639"
},
{
"type": "WEB",
"url": "https://mail.python.org/archives/list/mailman-announce@python.org/thread/IKCO6JU755AP5G5TKMBJL6IEZQTTNPDQ"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2021/dsa-4991"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2021/10/21/4"
}
],
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"severity": []
}
FKIE_CVE-2021-42096
Vulnerability from fkie_nvd - Published: 2021-10-21 01:15 - Updated: 2024-11-21 06:27| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | http://www.openwall.com/lists/oss-security/2021/10/21/4 | Mailing List, Patch, Third Party Advisory | |
| cve@mitre.org | https://bugs.launchpad.net/mailman/+bug/1947639 | Patch, Third Party Advisory | |
| cve@mitre.org | https://mail.python.org/archives/list/mailman-announce%40python.org/thread/IKCO6JU755AP5G5TKMBJL6IEZQTTNPDQ/ | ||
| cve@mitre.org | https://www.debian.org/security/2021/dsa-4991 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2021/10/21/4 | Mailing List, Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugs.launchpad.net/mailman/+bug/1947639 | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://mail.python.org/archives/list/mailman-announce%40python.org/thread/IKCO6JU755AP5G5TKMBJL6IEZQTTNPDQ/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://www.debian.org/security/2021/dsa-4991 | Third Party Advisory |
| Vendor | Product | Version | |
|---|---|---|---|
| gnu | mailman | * | |
| debian | debian_linux | 10.0 |
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SUSE-SU-2022:1886-1
Vulnerability from csaf_suse - Published: 2022-05-31 07:10 - Updated: 2022-05-31 07:10Notes
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OPENSUSE-SU-2021:1436-1
Vulnerability from csaf_opensuse - Published: 2021-11-02 09:25 - Updated: 2021-11-02 09:25Notes
{
"document": {
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"text": "important"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright 2024 SUSE LLC. All rights reserved.",
"tlp": {
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OPENSUSE-SU-2021:1452-1
Vulnerability from csaf_opensuse - Published: 2021-11-05 15:06 - Updated: 2021-11-05 15:06Notes
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GSD-2021-42096
Vulnerability from gsd - Updated: 2023-12-13 01:23{
"GSD": {
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"https://www.debian.org/security/2021/dsa-4991",
"https://access.redhat.com/errata/RHSA-2021:4839",
"https://access.redhat.com/errata/RHSA-2021:4838",
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}
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.