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CVE Record

CVE-2022-23176: WatchGuard Firebox and XTM appliances allow a remote attacker with unprivileged credentials to access the s...

WatchGuard Firebox and XTM appliances allow a remote attacker with unprivileged credentials to access the system with a privileged management session via exposed management access. This vulnerability impacts Fireware OS before 12.7.2_U1, 12.x before 12.1.3_U3, and 12.2.x through 12.5.x before 12.5.7_U3.

HighCVSS 8.8Known exploitedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This flaw lets someone with low-level WatchGuard credentials obtain a privileged management session when management access is exposed. Because Firebox and XTM devices sit at network boundaries, compromise can affect confidentiality, integrity, and availability. CISA lists it in KEV, so this is not theoretical.

Executive priority

Treat as urgent for any WatchGuard perimeter device. KEV status means regulators and attackers both recognize real-world exploitation, and device compromise could undermine network controls.

Technical view

CVE-2022-23176 affects WatchGuard Firebox and XTM appliances running Fireware OS before 12.7.2_U1, 12.x before 12.1.3_U3, and 12.2.x through 12.5.x before 12.5.7_U3. CVSS 3.1 is 8.8: network exploitable, low complexity, low privileges required, no user interaction, high impact across CIA.

Likely exposure

Organizations with WatchGuard Firebox or XTM appliances exposing management access are the primary concern, especially if running the listed vulnerable Fireware OS versions.

Exploitation context

CISA KEV confirms known exploitation. Ars Technica also reported exploitation in 2022 involving Russian hackers. The provided evidence does not establish current campaign volume or specific exposed targets.

Researcher notes

The source bundle gives affected Fireware ranges and fixed branch thresholds, but structured CPE data is absent. Avoid broad product assumptions beyond WatchGuard Firebox, XTM, and Fireware OS versions explicitly named.

Mitigation direction

  • Inventory WatchGuard Firebox and XTM appliances immediately.
  • Upgrade affected Fireware OS versions to fixed vendor-supported releases.
  • Review WatchGuard security portal guidance for this CVE.
  • Limit management exposure according to WatchGuard guidance.
  • Prioritize internet-facing management paths first.

Validation and detection

  • Identify appliance models and installed Fireware OS versions.
  • Compare versions against the affected ranges in the CVE record.
  • Confirm whether management access is exposed beyond trusted administration paths.
  • Review logs for unusual privileged management sessions.
  • Verify remediation against WatchGuard release notes or security portal guidance.
Prepared
Confidence
high
Sources
8

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

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CVE-2022-23176 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.8 (3.1)
Known Exploited
Yes
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
7Source links

CISA KEV status

Status
Known exploited
Source
CISA / ADP
Date added
Not provided

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.8CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8.8High
CVSS 3.1 vector shape for CVE-2022-23176Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.