CVE-2023-26601
Published: 06 March 2023
Summary
CVE-2023-26601 is a high-severity Uncontrolled Resource Consumption (CWE-400) vulnerability in Zohocorp Manageengine Assetexplorer. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 5.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2023-26601 is a denial-of-service vulnerability affecting multiple Zoho ManageEngine products, specifically ServiceDesk Plus through version 14104, Asset Explorer through 6987, ServiceDesk Plus MSP before 14000, and Support Center Plus before 14000. It is tracked under CWE-400 for uncontrolled resource consumption and carries a CVSS 3.1 score of 7.5 reflecting network-accessible attack vectors with no required authentication or user interaction that result in high availability impact.
An unauthenticated remote attacker can send crafted requests to the affected services, triggering excessive resource consumption that renders the application unavailable to legitimate users while leaving confidentiality and integrity untouched.
Vendor advisories hosted at manageengine.com and the specific CVE page for ServiceDesk Plus recommend applying the fixes released for each product line, which address the resource-handling flaw and restore normal service behavior. The EPSS score has remained steady at its recorded peak of 0.1636 with no material upward movement after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-30396
Vulnerability details
Zoho ManageEngine ServiceDesk Plus through 14104, Asset Explorer through 6987, ServiceDesk Plus MSP before 14000, and Support Center Plus before 14000 allow Denial-of-Service (DoS).
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Limiting concurrent sessions directly prevents uncontrolled resource consumption by capping the number of active sessions per user or account.
Analysis identifies uncontrolled resource consumption indicative of denial-of-service or abuse attempts.
Contingency plan testing includes resource exhaustion scenarios to verify recovery, making it harder for attackers to sustain exploits that cause uncontrolled consumption.
Updated contingency plans include current procedures to detect, contain, and recover from resource exhaustion, limiting an attacker's ability to sustain impact from uncontrolled consumption.
Alternate site allows resumption of operations if resource exhaustion at the primary site is exploited to cause unavailability.
Alternate telecommunications services enable resumption of essential functions when primary services become unavailable due to uncontrolled resource consumption.
The team can analyze and respond to resource exhaustion incidents, reducing the impact of attacks that exploit uncontrolled consumption weaknesses.
Timely maintenance support and spare parts enable rapid recovery from failures induced by uncontrolled resource consumption, shortening the impact window of denial-of-service attacks.