// For flags

CVE-2025-53636

Open OnDemand Shell App closed websocket DoS

Severity Score

5.4
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

Open OnDemand is an open-source HPC portal. Users can flood logs by interacting with the shell app and generating many errors. Users who flood logs can create very large log files causing a Denial of Service (DoS) to the ondemand system. This vulnerability is fixed in 3.1.14 and 4.0.6.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-07-07 CVE Reserved
  • 2025-07-11 CVE Published
  • 2025-07-14 CVE Updated
  • 2025-08-12 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-400: Uncontrolled Resource Consumption
  • CWE-779: Logging of Excessive Data
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
OSC
Search vendor "OSC"
 Ondemand
Search vendor "OSC" for product "Ondemand"
 >= 1.6.0 < 3.1.14
Search vendor "OSC" for product "Ondemand" and version " >= 1.6.0 < 3.1.14"
en
Affected
OSC
Search vendor "OSC"
 Ondemand
Search vendor "OSC" for product "Ondemand"
 >= 4.0.0 < 4.0.6
Search vendor "OSC" for product "Ondemand" and version " >= 4.0.0 < 4.0.6"
en
Affected