CVE-2021-47721
HIGH EPSS 33.7%
Published Dec 23, 20256mo ago · Modified Jun 17, 20262w ago
8.7 CVSS 4.0
Published Dec 23, 2025 6mo ago
Last Modified Jun 17, 2026 2w ago
Description
Orangescrum 1.8.0 contains a privilege escalation vulnerability that allows authenticated users to take over other project-assigned accounts by manipulating session cookies. Attackers can extract the victim's unique ID from the page source and replace their own session cookie to gain unauthorized access to another user's account.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
33.7% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available
Weaknesses 1
CWE-639
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| orangescrum | orangescrum | 1.8.0 | any |
References 3
- exploit-db.com https://www.exploit-db.com/exploits/50551
- orangescrum.org https://www.orangescrum.org/
- vulncheck.com https://www.vulncheck.com/advisories/orangescrum-authenticated-privilege-escalation-via-user-session-manipulation
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.