Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessAuthenticate with valid credentials
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DeliveryEnter step-up/MFA authentication workflow
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ExploitManipulate workflow state to skip required steps
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ExecutionReach elevated assurance level
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ImpactAccess protected resource bypassing MFA
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Workflow enforcement
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| Exploitation Conditions | Requires network access to an IBM Security Verify Access / Verify Identity Access deployment that enforces an additional authentication workflow (e.g. step-up authentication, multi-factor, or a multi-step policy flow) - that configured feature is the precondition, because the flaw bypasses the 'additional' workflow steps rather than the primary login. Per IBM's description the attacker must be a REMOTE AUTHENTICATED actor (holding valid credentials/session), which limits exploitation to insiders or attackers with stolen first-factor credentials; note the supplied CVSS vector's PR:N contradicts this and should be reconciled with IBM. Deployments that do not configure additional/step-up authentication workflows are not exposed to the bypass. Attack complexity is low (AC:L) and no user interaction is required. |
| Impact | This is a moderate-severity authentication workflow bypass (CVSS 6.5) in IBM's enterprise IAM access-management products. There is a direct CONFLICT between signals that must be resolved before prioritization: the CVSS vector states PR:N (no privileges required / unauthenticated), yet the IBM description explicitly says 'a remote authenticated attacker' - these cannot both be true. The description's requirement for prior authentication is the more conservative and likely-correct reading (CWE-841 improper enforcement of behavioral workflow typically presumes an actor already inside the flow), so real-world risk is lower than a PR:N vector implies; verify authentication prerequisite with IBM advisory node 7291628. No EPSS score, no CISA KEV listing, and no public POC were provided, so there is no evidence of active exploitation - this is not a drop-everything emergency. However, the impact (bypassing ADDITIONAL authentication workflow steps, i.e. step-up/MFA enforcement) is security-relevant because it defeats a defensive control, and the affected products are identity gatekeepers. Net: a patch-in-normal-cycle priority, elevated for organizations that rely on IBM Verify step-up/MFA as a compensating control. |
| Exploit ScenarioDerived | An attacker who already holds valid (likely low-privilege) credentials to an application fronted by IBM Security Verify Access authenticates, then manipulates the authentication flow so that additional required steps - such as step-up or multi-factor challenges - are skipped, gaining access at an assurance level they should not reach. No public exploit code was identified at time of analysis, and low attack complexity (AC:L) means no special timing or preconditions are needed once access to the workflow exists. |
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Alert meAnalysisAIv1 – Oct 08, 2026
Authentication workflow bypass in IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 allows a remote authenticated attacker who already holds valid first-factor credentials or an active session to skip the configured additional authentication workflow steps - such as step-up authentication, multi-factor prompts, or multi-step policy flows. Rated CVSS 6.5 (moderate), the flaw only affects deployments that actually enforce an additional authentication workflow; environments without one have nothing for the bypass to defeat. Exploitation requires the extra-workflow feature to be configured and the attacker to be a remote authenticated actor, and no public exploit code or confirmed in-the-wild exploitation has been identified at time of analysis; note that IBM's supplied CVSS vector (PR:N) contradicts its own 'remote authenticated attacker' description and our independent assessment, which uses PR:L and should be reconciled with the vendor.
RemediationAI
Patch status is 'available from vendor': IBM published a fix via the support note at https://www.ibm.com/support/pages/node/7291628, which is the authoritative source for the exact upgraded version for each affected line (Security Verify Access 10.0.x and Verify Identity Access 11.0.x, including the container images) - apply that update to both appliance and container deployments and keep the container base images in sync, since the supplied data does not state a specific fix version and none should be assumed. Until the upgrade is applied, the most effective compensating control is to enforce the additional authentication steps server-side (or at the reverse proxy / policy decision point) rather than relying on client-observed workflow state, at the cost of extra integration work and a risk of breaking flows that depend on loose step sequencing; alternatively, temporarily narrow the exposure by restricting network reachability of the authentication endpoints to trusted management networks, by shortening session lifetimes and forcing re-authentication for high-value resources, and by alerting on sessions that reach protected resources without a recorded completion of the additional workflow - each of these reduces exposure but degrades user experience or increases operational overhead and none is a full substitute for the vendor fix. Deployments that do not configure any additional/step-up authentication workflow are not exposed to this bypass, so disabling that feature is a viable stopgap where the vendor patch cannot be scheduled immediately, though it removes a security control and should be treated as temporary. After patching, invalidate existing sessions and review authentication logs for evidence of skipped workflow steps.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 4 packages in euvd
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Technical ContextAI · show details
The root cause is tracked as CWE-841, Improper Enforcement of Behavioral Workflow: the product fails to enforce the correct sequence of steps in a multi-stage authentication process, so a client that is already past the primary login can reach protected state without completing the required additional steps. The technology involved is IBM's enterprise identity and access management stack - the Security Verify Access appliance (CPE cpe:2.3:a:ibm:security_verify_access and the containerized cpe:2.3:a:ibm:security_verify_access_container) and the successor Verify Identity Access 11.x line (cpe:2.3:a:ibm:verify_identity_access and cpe:2.3:a:ibm:verify_identity_access_container). Because the bypass targets the additional workflow rather than the primary credential check, the precondition is a configured step-up / multi-factor / multi-step policy flow; the 6.5 score reflects low confidentiality and integrity impact (C:L/I:L/A:N) with no availability impact and scope unchanged. The official vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N, while our assessed vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - the PR metric discrepancy is the single material divergence and is driven by IBM's own statement that the actor must be authenticated.
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
IBM states a remote authenticated attacker, so PR:L not PR:N; network reachable (AV:N), low complexity (AC:L); bypassing MFA workflow yields limited confidentiality/integrity impact, no availability effect.
Primary rating from Vendor (ibm).
CVSS VectorNVD
DescriptionNVD
IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 could allow a remote authenticated attacker to bypass additional authentication workflow steps.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
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GHSA-44mh-cw35-jvwr
NVD
CVE.org
EPSS
Vulnrichment
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