CVE-2018-25332

CRITICAL EPSS 43.7%
Published May 17, 20261mo ago · Modified Jun 17, 20262w ago
9.3 CVSS 4.0
Critical
Find Similar
Published May 17, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

Description

GitBucket 4.23.1 contains an unauthenticated remote code execution vulnerability that allows attackers to execute arbitrary commands by exploiting weak secret token generation and insecure file upload functionality. Attackers can brute-force the Blowfish encryption key, upload a malicious JAR plugin via the git-lfs endpoint, and execute system commands through an exposed exploit endpoint.

CVSS Details

Base Score
9.3
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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 None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
43.7% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-306 Missing Authentication for Critical Function Authentication

Affected Products 1

VendorProductVersionRange
gitbucketgitbucket* <4.24.0

References 4

  • github.com https://github.com/gitbucket/gitbucket
    Product
  • security.szurek.pl https://security.szurek.pl/
    Not ApplicablePress/Media Coverage
  • exploit-db.com https://www.exploit-db.com/exploits/44668
    ExploitPatch
  • vulncheck.com https://www.vulncheck.com/advisories/gitbucket-unauthenticated-remote-code-execution
    Third Party Advisory

Remediation

  • exploit-db.com https://www.exploit-db.com/exploits/44668
    ExploitPatch