Is CVE-2024-23897 (Jenkins Command Line Interface (CLI) Path Traversal) being exploited in the wild?

By NHI Mgmt Group Editorial Team Updated October 19, 2026 Domain: Threats, Abuse & Incident Response

Yes. CISA added CVE-2024-23897 to its Known Exploited Vulnerabilities catalogue on 19 August 2024, which it does only when there is reliable evidence of active exploitation. CISA lists it as known to be used in ransomware campaigns. Jenkins Command Line Interface (CLI) contains a path traversal vulnerability that allows attackers limited read access to certain files, which can lead to code execution.

What it means when a CVE is being exploited in the wild

For a vulnerability question like this, the key issue is not just whether the flaw exists, but whether defenders should treat it as active exposure. A KEV listing means CISA has enough evidence to believe exploitation is already happening, so the operational question becomes exposure, containment, and fast remediation rather than theoretical risk.

When the affected product has an administrative or development workflow role, the practical impact is often broader than the initial bug class. A path traversal issue in a command-line interface can be used to read files that help an attacker locate secrets, credentials, or other sensitive data, which is why active exploitation matters even before full compromise is confirmed. For broader patterns of this class, see the Web Application Attacks Guide.

Because exploitability is already proven, the relevant response is to confirm whether any internet-exposed or indirectly reachable instance exists, whether the vulnerable feature is enabled, and whether the system has already been accessed in ways that leave logs, read-side effects, or unexpected process activity. The generic remediation pattern for cases like this is captured in the Zero-Day and Exploited Vulnerabilities Guide.

Why exploited vulnerabilities demand a different response posture

An exploited vulnerability should be triaged as an active security event, not as a routine backlog item. The reason is simple: once a flaw is in KEV and tied to ransomware activity, the probability of follow-on abuse rises sharply, and the window for safe delay narrows. Teams should prioritise exposed instances, verify compensating controls, and assume opportunistic scanning is already underway.

For vulnerabilities that can reveal local files, the main downstream concern is secondary credential exposure. Attackers often use the first weakness to reach configuration files, token material, service definitions, or other information that enables lateral movement or later persistence. That is why file-read bugs can become stepping stones to broader compromise, even when the initial issue is not a direct remote code execution flaw.

Response discipline is improved when the vulnerability is tracked in a formal remediation workflow rather than handled ad hoc. The Vulnerability Management Guide is useful here because it frames KEV-driven prioritisation, exception handling, and verification as part of the normal life cycle of exploited flaws.

How to verify exposure and reduce blast radius

The first verification step is inventory: identify every Jenkins instance, every environment where the CLI is enabled or reachable, and every place the product may be embedded in build or administration paths. The second is logging review: check for unusual CLI invocations, unexpected file access patterns, failed authentication attempts, and access to sensitive paths that do not fit normal operator behaviour. The third is containment: restrict access to the interface while remediation is pending, especially where the system is internet reachable or exposed through shared administrative networks.

If the instance has been in service for any length of time, assume the path traversal may have exposed data worth rotating or invalidating. That can include credentials, API tokens, service account material, session data, or other secrets that would be useful after initial access. Even when the vulnerability only allowed read access, that read path can be enough for follow-on compromise if sensitive configuration files were reachable.

For response teams that need a pattern for the general class of active exploitation, the Zero-Day and Exploited Vulnerabilities Guide provides a practical model for emergency mitigation, verification, and post-patch hunting.

Risk and Threat Considerations

Active exploitation changes the threat model from a potential weakness to a live attack path. When CISA places a CVE in KEV and links it to ransomware, the likelihood of mass scanning, opportunistic exploitation, and chained abuse goes up, especially for exposed management tooling and systems that may contain authentication or build-related material.

Failure mechanism: Path traversal lets an attacker reach files outside the intended directory scope, which can expose configuration data, credentials, or other content that supports escalation or persistence.

Impact: Exposure may lead to broader compromise, credential theft, or preparation for ransomware deployment, especially if the vulnerable system sits near trusted administrative workflows.

Standards & Framework Alignment

This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.

CIS Controls v8, NIST SP 800-53 Rev 5, NIST CSF 2.0 and OWASP ASVS set the governance and control requirements practitioners need to meet.

Framework	Control / Reference	Relevance
CIS Controls v8	CIS-7 — Continuous Vulnerability Management	Active exploitation requires rapid identification and remediation of exposed systems.
Recommendation — Prioritise exposed Jenkins instances for urgent remediation and verification.
NIST SP 800-53 Rev 5	RA-5 — Vulnerability Monitoring and Scanning	This CVE should be tracked and validated through vulnerability monitoring and exposure checks.
	SI-2 — Flaw Remediation	Known exploited flaws require controlled remediation and validation of the fix.
Recommendation — Scan for Jenkins exposure and validate remediation status before closing the finding. Apply the vendor fix or mitigation and verify the system is no longer vulnerable.
NIST CSF 2.0	PR.PS-05 — Vulnerability Management	KEV-listed vulnerabilities fall under timely vulnerability management and remediation.
Recommendation — Accelerate remediation for any Jenkins instance exposed to the vulnerable CLI.
OWASP ASVS	V15 — Secure Coding and Architecture	Path traversal is a secure-design and input-handling failure relevant to application security verification.
Recommendation — Review file access boundaries and block traversal patterns in exposed interfaces.

Practitioner Guidance

What to prioritise: Treat any exposed Jenkins instance as urgent until you have confirmed version status, interface reachability, and log evidence that the CLI has not been abused. If you cannot patch immediately, compensate by reducing access and monitoring for suspicious file reads or CLI usage.

What to verify: Confirm whether the system has handled secrets, build tokens, or other sensitive material that could have been exposed through file traversal. If so, rotate those secrets before assuming the issue is closed.

Practitioner takeaway: Once a vulnerability is in KEV, the question is no longer whether it matters, but whether you have already limited exposure enough to survive the next wave of exploitation.

Deepen Your Knowledge

Free weekly newsletter

Subscribe to the NHI & AI Identity Journal

The latest on NHI and Agentic AI security – articles, research, breaches, news and events every week.

Bonus 33% off our NHI Course when you subscribe.

NHIMG Editorial Note
Reviewed and updated by the NHIMG editorial team on October 19, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org