Threats / WatchGuard / CVE-2022-23176
CVE-2022-23176
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-08-04
WatchGuard Firebox and XTM vulnerability
WatchGuard Firebox and XTM appliances allow remote attackers with unprivileged credentials to escalate to privileged management sessions through exposed management access.
Verdict
Today item — known-exploited.
A remote attacker can leverage unprivileged credentials to gain administrative control of affected WatchGuard appliances, enabling full system compromise and potential network-wide impact.
CISA KEV Yes · 2022-04-114EPSS 0.12793 (verify live)5CVSS 8.8 (CISA)3CISA SSVC Exploitation: active · Automatable: no · Impact: total3
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
4 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-04-11).
Probability (EPSS)
EPSS 0.12793 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
CVSS 8.8 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) · Affected: WatchGuard, Firebox and XTM. Confirm exact fixed builds in the vendor advisory.CVSS — CISA-assigned via the ADP container (CVE.org), version 3.1; the CNA left no metrics, so CISA's own score is used ahead of NVD.
CISA SSVC (triage disposition)
Exploitation: active · Automatable: no · Technical Impact: totalCISA's own stakeholder-specific triage inputs, published in the CVE record (CISA Coordinator role). NOTE: this is CISA's three decision points; the final Act/Attend/Track decision also requires a Mission & Well-being input not published here, so no overall decision is asserted.
Currency of the record
CISA added this to its KEV catalog 46 days after the CVE record was published.KEV lag = CISA-KEV dateAdded − CVE.org datePublished; a floor on how long the known-exploited flaw sat in the public record before the federal catalog listed it. Severity/weakness here is CNA- or CISA-assigned (current at disclosure), independent of NVD's analysis backlog.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I authenticate to the management interface using any valid unprivileged account credential.
Business
Attacker gains initial foothold with legitimate but limited access to the appliance.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I exploit the exposed management access mechanism to escalate my session to privileged administrative level.
Business
Attacker obtains full administrative control over the firewall appliance without requiring higher-privilege credentials.
3
Lateral reach — past segmentation narrative 3
Attacker
I reconfigure firewall rules, access logs, and security policies to maintain persistence and cover my tracks.
Business
Organization loses visibility and control of its perimeter security; attacker can modify or disable protections.
4
Data at risk — exfiltration narrative 4
Attacker
I pivot through the compromised appliance to access internal network segments and connected systems.
Business
Breach expands from perimeter device to internal infrastructure, enabling lateral movement and data exfiltration.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05