CVE-2023-22281
📛 CVE Title
BIG-IP AFM vulnerability
Description
On versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8, 14.1.x before 14.1.5.3, and all versions of 13.1.x, when a BIG-IP AFM NAT policy with a destination NAT rule is configured on a FastL4 virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- f5
- CVSS severity
- HIGH
- CVSS score
- 7.5 / 10
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Effective score
- 7.5 / 10 HIGH source: CNA overview
- CWE(s)
-
CWE-908 - Reserved
- 2023-01-13
- Published
- 2023-02-01 18:52 UTC
- Last updated
- 2025-03-26 19:43 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/22xxx/CVE-2023-22281.json
- Linked Threat
- CVE-2023-22281 — BIG-IP AFM vulnerability
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2023-02-01 18:15:10 UTC
- NVD last modified
- 2026-06-17 05:34:57 UTC
- NVD CVSS v3.1
- 7.5 / 10 HIGH source: f5sirt@f5.com
- NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Exploitability subscore
- 3.9 / 10
- Impact subscore
- 3.6 / 10
- EPSS score
- 0.0063 (probability of exploitation in next 30 days)
- EPSS percentile
- 46.45% vs all CVEs — higher = more likely to be exploited, as of 2026-07-29
NVD / KEV / EPSS data refreshed 2026-07-29 23:02 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2023-26445 - Assigner
- f5
- Published
- Feb 1, 2023, 5:52:27 PM
- Updated
- Mar 26, 2025, 6:43:23 PM
- EUVD base score (CVSS 3.1)
-
7.5 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EUVD-reported EPSS
- 0.6500
- Vendors
- F5
- Products
-
BIG-IP (15.1.0 <15.1.8)BIG-IP (13.1.0 <*)BIG-IP (14.1.0 <14.1.5.3)BIG-IP (16.1.0 <16.1.3.3)BIG-IP (17.0.0 <17.0.0.2)
- Aliases
-
GHSA-r475-j35v-6jmm
ENISA description: On versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8, 14.1.x before 14.1.5.3, and all versions of 13.1.x, when a BIG-IP AFM NAT policy with a destination NAT rule is configured on a FastL4 virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
EUVD references (1)
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| F5 | BIG-IP |
17.0.0 (affected),
16.1.0 (affected),
15.1.0 (affected),
14.1.0 (affected),
13.1.0 (affected)
|
— |
Affected products — CPE 2.3 (1) NVD
NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
Web references (5)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- http://cwe.mitre.org/data/definitions/908.html rapid7:cwe.mitre.org
- https://attackerkb.com/topics/CVE-2023-22281 rapid7:attackerkb.com
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-26445 rapid7:euvd.enisa.europa.eu
- https://my.f5.com/manage/s/article/K46048342 rapid7:my.f5.com
- https://www.cve.org/CVERecord?id=CVE-2023-22281 rapid7:www.cve.org
NVD-tagged references (2)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://my.f5.com/manage/s/article/K46048342 f5sirt@f5.com Vendor Advisory
- https://my.f5.com/manage/s/article/K46048342 af854a3a-2127-422b-91ae-364da2661108 Vendor Advisory
Indicators (3)
IOCs linked to the auto-promoted Threat row.
| Type | Value | VirusTotal | Attached |
|---|---|---|---|
| ipv4 |
14.1.5.3
|
no local data | 2026-05-18 21:20 UTC |
| ipv4 |
16.1.3.3
|
no local data | 2026-05-18 21:20 UTC |
| ipv4 |
17.0.0.2
|
no local data | 2026-05-18 21:20 UTC |
Remediations (18)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:www.rapid7.com
Microsoft is publishing 77 vulnerabilities this Patch Tuesday, including two publicly disclosed zero-day vulnerabilities.
2026-06-05 00:17 UTC -
web:gemini.google.com
Meet Gemini, Google's AI assistant. Get help with writing, planning, brainstorming, and more. Experience the power of generative AI.
2026-06-05 00:17 UTC -
web:msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-06-05 00:17 UTC -
web:tuxcare.com
It includes discovering vulnerabilities, evaluating their potential impact, prioritizing remediation efforts (including patching), and confirming the fixes. Patch Management Patch management, on the other hand, is the act of applying the necessary updates to fix known vulnerabilities. It's a critical component of vulnerability management.
2026-06-05 00:17 UTC -
web:www.bleepingcomputer.com
CISA has ordered government agencies to secure their systems against a high-severity Oracle WebLogic Server vulnerability that was patched two years ago and is now actively exploited in attacks.
2026-06-05 00:17 UTC -
web:www.bugcrowd.com
Vulnerability mitigation is typically considered a temporary or interim solution. While mitigation measures can reduce the immediate risk associated with vulnerabilities, they may not provide a permanent fix . Organizations should aim to prioritize and plan for complete vulnerability remediation whenever feasible and allocate resources accordingly.
2026-06-05 00:17 UTC -
web:www.oracle.com
This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.
2026-06-05 00:17 UTC -
web:attack.mitre.org
This mitigation can be implemented through the following measures: Remove Legacy Software: Use Case: Disable or remove older versions of software that no longer receive updates or security patches (e.g., legacy Java, Adobe Flash). Implementation: A company removes Flash Player from all employee systems after it has reached its end-of-life date.
2026-06-05 00:17 UTC -
web:www.linkedin.com
Microsoft Security Response Center has issued an emergency mitigation for a newly disclosed BitLocker bypass vulnerability known as "YellowKey," after security researchers publicly released ...
2026-05-22 05:48 UTC -
web:www.msn.com
Windows 11 patch fix : Microsoft resolved May 2026 update failures tied to limited EFI partition space with automated rollback, IT admin workarounds, and registry-based adjustments. Exchange flaw ...
2026-05-22 05:48 UTC -
web:www.csoonline.com
Consultants see the problem eating away at valuable patch resources because of a lack of Microsoft update hygiene.
2026-05-22 05:48 UTC -
web:cybersecuritynews.com
Microsoft has disclosed a critical zero-day vulnerability in Windows BitLocker, tracked as CVE -2026-45585, that allows threat actors with physical access to bypass full-disk encryption entirely, potentially exposing sensitive data within minutes.
2026-05-22 05:48 UTC -
web:epatch.pa.gov
Why does PATCH exist? Its purpose is to better enable the public to obtain criminal history record checks. The repository was created and is maintained in accordance with Pennsylvania's Criminal History Information Act contained in Chapter 91 of Title 18, Crimes Code. This Act also directs the Pennsylvania State Police (PSP) to disseminate criminal history data to criminal justice agencies ...
2026-05-22 05:48 UTC -
web:www.darkreading.com
Windows Zero-Day Barrage Continues After Patch Tuesday YellowKey, GreenPlasma, and MiniPlasma add to the growing list of vulnerabilities a security researcher disclosed over the past six weeks.
2026-05-22 05:48 UTC -
web:github.com
FH6 bypass for RX580. Contribute to yopzman/FH6_RX580_FIX development by creating an account on GitHub.
2026-05-22 05:48 UTC -
web:www.facebook.com
NEWS & MEDIA WEBSITE · 3.7K talking about this · Hyperlocal news, alerts, discussions and events for Toms River, NJ
2026-05-22 05:48 UTC -
web:support.microsoft.com
For information about how to apply Mitigation 1 and Mitigation 2 in two separate steps (if you want to be more cautious, at least at first) see KB5025885: How to manage the Windows boot manager revocations for Secure Boot changes associated with CVE - 2023 -24932.
2026-05-22 05:48 UTC -
web:www.helpnetsecurity.com
Microsoft is working on a fix for CVE -2026-45585 (aka "Yellowkey"), a vulnerability that can be used to bypass Windows' BitLocker protection.
2026-05-22 05:48 UTC
AI Forensic Analysis
Only Available for Registered Users. Sign in to view.
Raw JSON
The full cvelistV5 record. Download as CVE-2023-22281.json.
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T10:07:05.825Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://my.f5.com/manage/s/article/K46048342"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-22281",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-03-26T16:00:26.289552Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-03-26T18:43:23.224Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"modules": [
"AFM"
],
"product": "BIG-IP",
"vendor": "F5",
"versions": [
{
"lessThan": "17.0.0.2",
"status": "affected",
"version": "17.0.0",
"versionType": "semver"
},
{
"lessThan": "16.1.3.3",
"status": "affected",
"version": "16.1.0",
"versionType": "semver"
},
{
"lessThan": "15.1.8",
"status": "affected",
"version": "15.1.0",
"versionType": "semver"
},
{
"lessThan": "14.1.5.3",
"status": "affected",
"version": "14.1.0",
"versionType": "semver"
},
{
"lessThan": "*",
"status": "affected",
"version": "13.1.0",
"versionType": "semver"
}
]
}
],
"datePublic": "2023-02-01T15:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "On versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8, 14.1.x before 14.1.5.3, and all versions of 13.1.x, when a BIG-IP AFM NAT policy with a destination NAT rule is configured on a FastL4 virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.<br>"
}
],
"value": "On versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8, 14.1.x before 14.1.5.3, and all versions of 13.1.x, when a BIG-IP AFM NAT policy with a destination NAT rule is configured on a FastL4 virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.\n"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-908",
"description": "CWE-908 Use of Uninitialized Resource",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-02-01T17:52:27.603Z",
"orgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
"shortName": "f5"
},
"references": [
{
"url": "https://my.f5.com/manage/s/article/K46048342"
}
],
"source": {
"discovery": "INTERNAL"
},
"title": "BIG-IP AFM vulnerability",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
"assignerShortName": "f5",
"cveId": "CVE-2023-22281",
"datePublished": "2023-02-01T17:52:27.603Z",
"dateReserved": "2023-01-13T06:43:37.165Z",
"dateUpdated": "2025-03-26T18:43:23.224Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}