Security readout for executives and security teams
Plain-English summary
GitBucket 4.23.1 is reported to allow an unauthenticated attacker to run arbitrary system commands. For an exposed instance, this can mean full compromise of source code, credentials, and the host. The bundle does not name a fixed version or vendor mitigation.
Executive priority
Treat internet-reachable GitBucket 4.23.1 as urgent. The issue is unauthenticated, critical severity, and could lead to system takeover, but the provided evidence does not confirm active exploitation.
Technical view
CVE-2018-25332 describes unauthenticated remote code execution in GitBucket 4.23.1. The source bundle attributes the issue to weak secret token generation and insecure file upload behavior, with CVSS 3.1 score 9.8. Evidence names GitBucket 4.23.1 only; broader affected-version claims are not supported here.
Likely exposure
Exposure is most likely where GitBucket 4.23.1 is internet-facing or reachable by untrusted users. Internal-only instances still matter because compromise could expose repositories, secrets, and build credentials.
Exploitation context
The source bundle includes an ExploitDB reference and describes an unauthenticated RCE path. KEV is false, and no cited source in the bundle proves active exploitation in the wild.
Researcher notes
The record is recent despite the 2018 CVE ID. The bundle supports GitBucket 4.23.1, CWE-306, CVSS 9.8, public exploit reference, and no KEV listing. It does not provide a vendor patch version.
Mitigation direction
- Inventory all GitBucket instances and confirm whether version 4.23.1 is present.
- Remove public access to affected instances while remediation is assessed.
- Check GitBucket and VulnCheck guidance for fixed versions or supported mitigations.
- Preserve logs before making changes if compromise is suspected.
- Rotate credentials stored in or accessible from affected GitBucket systems after containment.
Validation and detection
- Confirm product and version from GitBucket deployment records or administrative interface.
- Review network exposure for public, partner, VPN, and internal access paths.
- Check for unexpected plugin files, uploads, or administrative changes.
- Review web and application logs for suspicious unauthenticated activity.
- Assess connected repositories, CI secrets, and host credentials for possible exposure.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-25332 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
2 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
9.3CriticalVector: 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
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-44668CVE reference, VulnCheck · exploit
- Official Product HomepageCVE reference, VulnCheck · product
- Product ReferenceCVE reference, VulnCheck · product
- VulnCheck Advisory: GitBucket 4.23.1 Unauthenticated Remote Code ExecutionCVE reference, VulnCheck · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.