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Security Verify Access CVE-2025-36356

CRITICAL
Execution with Unnecessary Privileges (CWE-250)
2025-10-06 psirt@us.ibm.com
9.3
CVSS 3.1 · Vendor: us
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain local authenticated account on appliance
  2. Exploit
    Identify over-privileged component
  3. Execution
    Abuse it to execute as root
  4. Impact
    Full root compromise of appliance

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V8 - Authorization Unnecessary privilege execution
Exploitation Conditions

Requires pre-existing local access to an IBM Security Verify Access / Verify Identity Access appliance (bare-metal or Docker, versions 10.0.0.0-10.0.9.0 or 11.0.0.0-11.0.1.0); the description specifies a 'locally authenticated user', so valid local credentials or an existing local session are the prerequisite. Exploitation is limited by the local-only attack vector (AV:L) - it cannot be triggered remotely over the network and requires the attacker to already be on the appliance. The root cause is a component executing with more privileges than required (CWE-250), so the flaw is inherent to default installations rather than dependent on a special configuration toggle.

Impact

This is a local privilege escalation flaw (CWE-250, execution with unnecessary privileges) allowing escalation to root on IBM Security Verify Access / Verify Identity Access. The CVSS base score is 9.3 (vendor-assigned), driven largely by the scope change (S:C) and full C:H/I:H/A:H root impact. However, the real-world priority is lower than the 9.3 suggests: the attack vector is strictly local (AV:L), meaning an attacker must already have a foothold on the appliance. There is a notable internal conflict in the input - the CVSS vector states PR:N (no privileges required) while the description explicitly says a 'locally authenticated user' is required; these contradict each other and should be verified with IBM, since authentication materially changes exploitability. No EPSS score, KEV listing, or public POC is present in the provided data, so there is no evidence of active or imminent exploitation. Net assessment: a genuine root-level privesc worth patching on exposed/multi-user appliances, but not an emergency internet-facing threat - it is a post-compromise escalation primitive, not an initial-access vulnerability.

Exploit ScenarioDerived

An attacker who already holds a low-privileged local account on an IBM Security Verify Access appliance (or has gained shell access through another vector) invokes a component that runs with more privileges than necessary, abusing it to execute commands as root. No public exploit code was identified in the provided data, and the attack is confined to local access, so it functions as a second-stage escalation following an initial foothold.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 18, 2026

Local privilege escalation in IBM Security Verify Access and Verify Identity Access 10.0.x/11.0.x allows an authenticated local user to obtain root because a component executes with more privileges than required (CWE-250). The flaw affects bare-metal and Docker deployments across 10.0.0.0-10.0.9.0 and 11.0.0.0-11.0.1.0, is local-only (AV:L) and requires existing local credentials under the authoritative assessment, so it cannot be triggered remotely over the network. No public exploit was identified at time of analysis, and IBM has released a vendor patch/advisory.

RemediationAI

IBM has released a vendor patch for this issue; apply the fixed release designated in IBM advisory https://www.ibm.com/support/pages/node/7247215 for the affected 10.0.x or 11.0.x installation, and update Docker-based deployments from the corresponding fixed image. Because the exploit path is local and requires an authenticated account, reduce exposure until patching is complete by limiting local shell/SSH and console access to trusted administrators, removing or disabling unnecessary local accounts, and reviewing sudo/root-equivalent permissions; for Docker deployments, restrict access to the container host and Docker socket to privileged administrators. These controls can disrupt administrative workflows and support access, so document exceptions and revert them after the vendor fix is deployed.

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Technical ContextAI · show details

CWE-250 (Execution with Unnecessary Privileges) means a process, service, or helper runs as root or with elevated capabilities even though its function does not require them. In IBM Security Verify Access and Verify Identity Access, a locally authenticated user can interact with that over-privileged component and inherit or abuse its root-level permissions, yielding full control of the appliance. The CPE data covers IBM Security Verify Access, Security Verify Access Docker, and Verify Identity Access; the Docker variants are relevant because container-host access and service permissions can compound the impact. The authoritative vector is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, confirming a local attack path with low privileges and no user interaction; the supplied NVD vector lists PR:N, but the independent assessment uses PR:L and states that valid local credentials are required, so this analysis follows the assessed prerequisite.

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Severity by source

Vendor (us) PRIMARY 9.3 CRITICAL
AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
vuln.today AI 7.8 HIGH

Description requires a locally authenticated user so AV:L and PR:L (not PR:N as input states); low complexity, and root escalation yields full C/I/A with scope unchanged (S:U) for a local privesc.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (us).

CVSS VectorVendor: us

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

IBM Security Verify Access and IBM Security Verify Access Docker 10.0.0.0 through 10.0.9.0 and 11.0.0.0 through 11.0.1.0 could allow a locally authenticated user to escalate their privileges to root due to execution with more privileges than required.

Executive ViewAI

Why It Matters

IBM Security Verify Access and Verify Identity Access 10.0.x/11.0.x contain a critical local privilege-escalation flaw that can let an authenticated local user obtain root on affected bare-metal and Docker deployments. Because these are identity and access management systems, a root compromise could undermine the controls leadership relies on for authentication and authorization, although exploitation requires existing local credentials and no public exploit was identified at time of analysis.

Business Impact: High
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.2%
Top 92% exploitable
Prevalence
Medium
enterprise IAM appliance, common in large orgs but not ubiquitous
Data Quality
2 sources
Confidence: Low

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.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 0.2%
Patch available Yes
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact
High

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +46
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

Affected Products (CPE)CVE.org

cpe:2.3:a:ibm:security_verify_access:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:security_verify_access:10.0.9.0:-:*:*:*:*:*:*
cpe:2.3:a:ibm:security_verify_access:10.0.9.0:interim_fix1:*:*:*:*:*:*
cpe:2.3:a:ibm:security_verify_access:10.0.9.0:interim_fix2:*:*:*:*:*:*
cpe:2.3:a:ibm:security_verify_access_docker:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:security_verify_access_docker:10.0.9.0:-:*:*:*:*:*:*
cpe:2.3:a:ibm:security_verify_access_docker:10.0.9.0:interim_fix1:*:*:*:*:*:*
cpe:2.3:a:ibm:security_verify_access_docker:10.0.9.0:interim_fix2:*:*:*:*:*:*
cpe:2.3:a:ibm:verify_identity_access:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:verify_identity_access:11.0.1.0:-:*:*:*:*:*:*
cpe:2.3:a:ibm:verify_identity_access_docker:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:verify_identity_access_docker:11.0.1.0:-:*:*:*:*:*:*
CVE-2024-35133 HIGH POC
8.2 Aug 29

IBM Security Verify Access 10.0.0 through 10.0.8 OIDC Provider could allow a remote authenticated attacker to conduct ph

CVE-2024-28787 CRITICAL
10.0 Apr 04

IBM Security Verify Access 10.0.0 through 10.0.7 and IBM Application Gateway 20.01 through 24.03 could allow a remote at

CVE-2026-78401 CRITICAL
9.8 Oct 08

Unauthenticated remote code execution affects IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity A

CVE-2026-78406 CRITICAL
9.8 Oct 08

Remote code execution is achievable in IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 1

CVE-2025-36087 CRITICAL
9.8 Oct 13

Hard-coded credentials in IBM Security Verify Access 10.0.0 through 10.0.9 and 11.0.0, and in Verify Identity Access Con

CVE-2026-11928 CRITICAL
9.8 Sep 15

An out-of-bounds write in IBM Verify Identity Access (and its predecessor branding, IBM Security Verify Access, plus bot

CVE-2026-4101 CRITICAL
9.8 Apr 01

Authentication bypass in IBM Verify Identity Access and IBM Security Verify Access (versions 10.0-10.0.9.1 and 11.0-11.0

CVE-2024-49806 CRITICAL
9.8 Nov 29

IBM Security Verify Access Appliance 10.0.0 through 10.0.8 contains hard-coded credentials, such as a password or crypto

CVE-2024-49805 CRITICAL
9.8 Nov 29

IBM Security Verify Access Appliance 10.0.0 through 10.0.8 contains hard-coded credentials, such as a password or crypto

CVE-2020-4499 CRITICAL
9.8 Oct 15

IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0 could allow an unauthorized public Oauth client

CVE-2026-11921 CRITICAL
9.1 Sep 15

IBM Verify Identity Access (formerly IBM Security Verify Access) in container and appliance deployments can silently fai

CVE-2026-16916 HIGH
8.8 Oct 08

Remote code execution is possible in IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.

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