Vulnerability in OneDev is an all-in-one devops platform. In… (CVE-2021-21244)

Summary

Vulnerability in OneDev is an all-in-one devops platform. In OneDev (CVE-2021-21244). Successful exploitation can lead to full system takeover. Mitigation: upgrade to 4.0.3 or later.

Original description

The description as published by the source.

OneDev is an all-in-one devops platform. In OneDev before version 4.0.3, There is a vulnerability that enabled pre-auth server side template injection via Bean validation message tampering. Full details in the reference GHSA. This issue was fixed in 4.0.3 by disabling validation interpolation completely.

Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2021-21244 has been found in OneDev is an all-in-one devops platform. In OneDev.
Successful exploitation can lead to full system takeover.
What to do: upgrade OneDev is an all-in-one devops platform. In OneDev to 4.0.3 or later.
If unsure, ask your IT team or search "OneDev is an all-in-one devops platform. In OneDev CVE-2021-21244" on the vendor's site.

CVE-2021-21244 (OneDev is an all-in-one devops platform. In OneDev)
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: 4.0.3 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

A vulnerability (unclassified) exists in OneDev is an all-in-one devops platform. In OneDev.

📍 Affected scope

Check the vendor advisory for the affected versions of OneDev is an all-in-one devops platform. In OneDev.

🔥 Severity

Severity: ?. Successful exploitation can lead to full system takeover.

🔧 How to fix

Update to 4.0.3.

🛡️ Workaround

Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

1
Identify exposure identify
```
Audit SBOM/dependencies for affected components.
```
資産台帳・SBOM・依存マニフェストで OneDev is an all-in-one devops platform. In OneDev を使っているサービスとバージョンを洗い出す。
2
Apply patch patch
```
Upgrade OneDev is an all-in-one devops platform. In OneDev to 4.0.3
```
ステージング環境で 4.0.3 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
3
Post-deployment verification verify
```
Confirm patched version is live in production
```
パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

References

advisory github.com
patch github.com