CVE-2013-0625 is an authentication bypass vulnerability in Adobe ColdFusion. CISA added it to the Known Exploited Vulnerabilities catalogue on 7 March 2022, which means attackers have used it in real attacks. Adobe Coldfusion contains an authentication bypass vulnerability, which could result in an unauthorized user gaining administrative access.
What an authentication bypass means in a web application
An authentication bypass is dangerous because it lets a requester reach protected functions without completing the normal login or session-establishment step. In a product like Adobe ColdFusion, that can collapse the boundary between an anonymous internet request and administrative capability.
For administrators and defenders, the practical issue is not just “can someone log in?” but whether the product still enforces the trust boundary that separates public access from privileged control. When that boundary fails, an attacker may be able to reach management interfaces, change application settings, or pivot into the environment that the platform supports.
Authentication bypass bugs are often severe because they attack the front door rather than a single feature. Once the bypass exists, downstream protections such as password policy, account lockout, or ordinary role separation may never be consulted at all.
Why this kind of flaw is dangerous in ColdFusion
ColdFusion is commonly used as a server-side application platform, so administrative access can have a wide blast radius. If an attacker can reach an admin path without valid credentials, the impact may extend beyond one console to deployed applications, connection details, integration settings, and other operational controls exposed through the platform.
This matters even when the initial vulnerability is framed as “only” an authentication issue, because administrative access usually becomes a stepping stone to configuration changes, sensitive data access, and further compromise. The security consequence is privilege collapse: the system treats an untrusted caller as if it were already trusted.
For vulnerability context and recordkeeping, readers should consult the CVE Program entry and the NIST National Vulnerability Database record for authoritative identification details and linked references.
How organisations assess exposure and reduce blast radius
Exposure checks start with a complete asset inventory: which ColdFusion instances exist, which are reachable from untrusted networks, and which are exposed through internet-facing load balancers, reverse proxies, or management portals. If a vulnerable instance is externally reachable, exposure should be treated as urgent.
Defenders should also review vendor advisories, deployed version information, and local configuration choices that affect accessibility. Even when patching is the end goal, knowing where the product is deployed and how it is reached determines whether a flaw is exploitable in practice.
When immediate remediation is not possible, compensating controls should reduce access to administrative surfaces, restrict network paths, and increase scrutiny on any endpoint that should never be reachable by anonymous users. The most important principle is to make the vulnerable path difficult to hit while the fix is being applied.
Detection, compromise review, and post-fix validation
Detection should focus on signs that the bypass was actually used, not just that the vulnerability exists. Review authentication and administrative logs for unusual access attempts, unexpected successful logins, new admin sessions, configuration changes, and actions that do not match normal operator behaviour.
After patching, the work is not complete until the environment is checked for signs of follow-on compromise. If an attacker gained administrative access before remediation, they may have added accounts, altered settings, planted web shells, changed integrations, or used the platform as a foothold into adjacent systems.
That is why post-patch review should include a careful look at privileged accounts, configuration drift, and any changes made during the exposure window. The goal is to confirm both that the flaw is closed and that it was not already abused.
Risk and Threat Considerations
This vulnerability is materially risky because it removes the normal barrier between an unauthenticated user and administrative control. In a widely deployed application platform, that can quickly become a route to data exposure, service manipulation, and broader compromise.
Failure mechanism: The attacker reaches a protected administrative function through a code path that incorrectly accepts the request as authenticated, then uses that trust failure to perform privileged actions.
Impact: Administrative compromise can enable configuration tampering, sensitive data access, persistence, and lateral movement into connected systems or hosted applications.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
NIST SP 800-53 Rev 5, CIS Controls v8 and OWASP ASVS set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| NIST SP 800-53 Rev 5 | IA-2 — Identification and Authentication (Organizational Users) | Authentication bypass directly undermines organizational user authentication controls. |
| AC-6 — Least Privilege | Administrative bypass can collapse privilege boundaries and exceed intended access. | |
| AU-6 — Audit Record Review, Analysis, and Reporting | Post-exploit review depends on reviewing logs for unauthorized administrative activity. | |
| Recommendation — Enforce IA-2 controls to ensure privileged access cannot be obtained without valid authentication. Apply AC-6 to restrict administrative functions to the minimum required privileges. Use AU-6 to review authentication and admin logs for signs of bypass abuse. | ||
| CIS Controls v8 | CIS-5 — Account Management | Admin access abuse and account changes after bypass map to account governance and review. |
| Recommendation — Use CIS-5 to review privileged accounts and remove any unauthorized access created during exposure. | ||
| OWASP ASVS | V6 — Authentication | The defect is an authentication failure in the application layer. |
| Recommendation — Verify V6 requirements to prevent unauthenticated access to protected functions. | ||
Practitioner Guidance
Why practitioners should care: Treat authentication bypass issues as immediate exposure events, not routine defects. The practical question is whether any reachable instance can be administratively touched without valid credentials, because that changes the incident posture from patching to compromise assessment.
What to watch for: Focus on internet exposure, unusual admin activity, and any unexplained configuration or account changes made during the vulnerable period. Where the platform sits behind other services, remember that an internal foothold can still matter if the attacker can reach the management surface from a trusted segment.
Practitioner takeaway: Fix the vulnerable instance, then verify whether trust was already abused before the patch landed.
Related resources from NHI Mgmt Group
- CVE-2026-1603 (Ivanti Endpoint Manager (EPM) Authentication Bypass)
- CVE-2025-4427 (Ivanti Endpoint Manager Mobile (EPMM) Authentication Bypass)
- CVE-2023-35082 (Ivanti Endpoint Manager Mobile (EPMM) and MobileIron Core Authentication Bypass)
- CVE-2023-35078 (Ivanti Endpoint Manager Mobile Authentication Bypass)
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Reviewed and updated by the NHIMG editorial team on October 17, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org