CVE-2018-25332

Name: CVE-2018-25332
Creator: NVD / NIST
Published: 2026-05-17T13:16:44.84+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.3/10EPSS 0.59%

Last modified Jun 17, 2026

CVE-2018-25332 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. 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.. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

9.3/10

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

EPSS Probability

0.59%

43.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Gitbucket	Gitbucket	< 4.24.0

References

https://github.com/gitbucket/gitbucketProduct
https://security.szurek.pl/Not Applicable, Press/Media Coverage
https://www.exploit-db.com/exploits/44668Exploit, Patch
https://www.vulncheck.com/advisories/gitbucket-unauthenticated-remote-code-executionThird Party Advisory

Timeline

Published: May 17, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2018-25332?

How severe is CVE-2018-25332?

CVE-2018-25332 has a CVSS score of 9.3/10 (CRITICAL severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.

How do I fix CVE-2018-25332?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-25332?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST