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CVE Record

CVE-2024-6593: WatchGuard Firebox Single Sign-On Agent Management Interface Authentication Bypass

Incorrect Authorization vulnerability in WatchGuard Authentication Gateway (aka Single Sign-On Agent) on Windows allows an attacker with network access to execute restricted management commands. An attacker that has already gained network access could exploit this vulnerability to retrieve authenticated usernames and group memberships from the Single Sign-On Agent or tamper with the agent configuration. This vulnerability cannot be used by an attacker to gain access to user credentials.

CriticalCVSS 9.3Not KEV-listedUpdated
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Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

A network-connected attacker could bypass authorization on WatchGuard’s Windows-based Single Sign-On Agent 12.0. They could view authenticated usernames and group memberships or alter agent configuration. The flaw does not expose user credentials, but identity information disclosure and configuration tampering could weaken access controls.

Executive priority

Treat reachable SSO Agent 12.0 deployments as an immediate remediation priority. Although credential theft is explicitly excluded, exposed identity data and configuration manipulation could undermine authentication-dependent security controls. Confirm inventory, limit management access, and follow WatchGuard’s current advisory.

Technical view

CVE-2024-6593 is a CWE-863 incorrect-authorization flaw in the WatchGuard Authentication Gateway, also called the Single Sign-On Agent. Its management interface accepts restricted commands without required authorization. CVSS 4.0 scores it 9.3: network-accessible, low complexity, no privileges or user interaction, with high confidentiality and integrity impact.

Likely exposure

Exposure is most likely where SSO Agent 12.0 runs on Windows and its management interface is reachable from compromised or untrusted network segments. The attacker must already have network access. The supplied evidence does not establish Internet exposure or identify additional affected versions.

Exploitation context

The source bundle identifies a public technical advisory but provides no evidence of exploitation in the wild. The CVE is not listed as KEV in the supplied data. Treat the issue as highly consequential if reachable, without characterizing it as actively exploited.

Researcher notes

The documented impact is limited to management-command authorization: disclosure of authenticated usernames and group memberships, plus configuration tampering. The CVSS vector indicates no availability impact. The supplied bundle does not name a fixed release, provide detection indicators, or establish successful real-world exploitation.

Mitigation direction

  • Check WatchGuard’s advisory for the supported remediation and affected-version details.
  • Prioritize remediation of identified SSO Agent 12.0 installations.
  • Restrict the management interface to trusted administrative systems and network segments.
  • Isolate exposed agents until their remediation status and access controls are confirmed.
  • Review agent configuration for unauthorized changes and restore approved settings if necessary.

Validation and detection

  • Inventory Windows systems running WatchGuard Authentication Gateway or SSO Agent.
  • Record exact versions and prioritize every discovered 12.0 installation.
  • Map which systems and network segments can reach the management interface.
  • Review available logs and configuration history for unexpected management activity.
  • After remediation, confirm status against WatchGuard guidance and retest network reachability.
Prepared
Confidence
high
Sources
4

Public sources used

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.

cwe · medium confidence lookup

CWE-863: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2024-6593 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
Critical
CVSS
9.3 (4.0)
Known Exploited
No
Published

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

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
3Timeline events
1ADP providers
4Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total

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
9.3CVSS 4.0CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N——WatchGuard

Vulnerability scoring details

Base CVSS 4.0 score

9.3Critical
CVSS 4.0 vector shape for CVE-2024-6593Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
WatchGuardSSO Agent12.0unaffected
Weakness

CWE details

CWE-863

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

CWE-863 · source CWE mapping

Incorrect Authorization

Incorrect Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

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