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CVE-2025-6021
high
CVSS 7.5
Vulnerability in dos (CVE-2025-6021)
Summary
vulnerability in dos (CVE-2025-6021). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-6021** has been found in dos.
Risk of unauthorized operations or information disclosure. CVSS score: 7.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "dos CVE-2025-6021" on the vendor's site.
CVE-2025-6021 (dos) — CWE-121 / CVSS v3 7.5
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
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** (CWE-121) exists in dos.
📍 Affected scope
dos — .
🔥 Severity
Severity: High (CVSS 7.5/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ 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. Run `grep -r 'dos' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'dos' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `dos` を grep し、稼働しているサービス・バージョンを把握する。
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7Post-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 Step 3 と同じログクエリでアラート再発が無いか継続監視。
References
- web https://access.redhat.com/errata/RHSA-2025:10630
- web https://access.redhat.com/errata/RHSA-2025:10698
- web https://access.redhat.com/errata/RHSA-2025:10699
- web https://access.redhat.com/errata/RHSA-2025:11580
- web https://access.redhat.com/errata/RHSA-2025:11673
- web https://access.redhat.com/errata/RHSA-2025:12098
- web https://access.redhat.com/errata/RHSA-2025:12099
- web https://access.redhat.com/errata/RHSA-2025:12199
- web https://access.redhat.com/errata/RHSA-2025:12237
- web https://access.redhat.com/errata/RHSA-2025:12239
- web https://access.redhat.com/errata/RHSA-2025:12240
- web https://access.redhat.com/errata/RHSA-2025:12241
- web https://access.redhat.com/errata/RHSA-2025:13267
- web https://access.redhat.com/errata/RHSA-2025:13289
- web https://access.redhat.com/errata/RHSA-2025:13325
- web https://access.redhat.com/errata/RHSA-2025:13335
- web https://access.redhat.com/errata/RHSA-2025:13336
- web https://access.redhat.com/errata/RHSA-2025:14059
- web https://access.redhat.com/errata/RHSA-2025:14396
- web https://access.redhat.com/errata/RHSA-2025:15308
- web https://access.redhat.com/errata/RHSA-2025:15672
- web https://access.redhat.com/errata/RHSA-2025:19020
- web https://access.redhat.com/errata/RHSA-2026:7519
- web https://access.redhat.com/security/cve/CVE-2025-6021
- web https://bugzilla.redhat.com/show_bug.cgi?id=2372406
- web https://gitlab.gnome.org/GNOME/libxml2/-/issues/926
- web https://lists.debian.org/debian-lts-announce/2025/07/msg00014.html
- web https://cert-portal.siemens.com/productcert/html/ssa-032379.html
- web https://nvd.nist.gov/vuln/detail/CVE-2025-6021
- web https://github.com/advisories/GHSA-32vr-5hxf-x93f