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CVE-2021-41617
high
CVSS 7.0
Privilege Escalation in privilege-escalation (CVE-2021-41617)
Summary
vulnerability in privilege-escalation (CVE-2021-41617). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2021-41617** has been found in privilege-escalation.
Successful exploitation can lead to full system takeover. CVSS score: 7.0/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "privilege-escalation CVE-2021-41617" on the vendor's site.
CVE-2021-41617 (privilege-escalation) — CWE-269 / CVSS v3 7.0
Attack vector: local / 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-269) exists in privilege-escalation.
📍 Affected scope
privilege-escalation — .
🔥 Severity
Severity: High (CVSS 7.0/10). Successful exploitation can lead to full system takeover
🔧 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 'privilege-escalation' .` 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
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1Identify exposure identify
grep -r 'privilege-escalation' . | 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 `privilege-escalation` を grep し、稼働しているサービス・バージョンを把握する。
-
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
- advisory af854a3a-2127-422b-91ae-364da2661108
- advisory af854a3a-2127-422b-91ae-364da2661108
- web https://bugzilla.suse.com/show_bug.cgi?id=1190975
- web https://lists.debian.org/debian-lts-announce/2023/12/msg00017.html
- web af854a3a-2127-422b-91ae-364da2661108
- web af854a3a-2127-422b-91ae-364da2661108
- web af854a3a-2127-422b-91ae-364da2661108
- web https://www.debian.org/security/2023/dsa-5586
- web https://www.openssh.com/security.html
- web https://www.openssh.com/txt/release-8.8
- web https://www.openwall.com/lists/oss-security/2021/09/26/1
- web https://www.oracle.com/security-alerts/cpuapr2022.html
- web https://www.oracle.com/security-alerts/cpujul2022.html
- web https://www.tenable.com/plugins/nessus/154174
- web https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- web https://nvd.nist.gov/vuln/detail/CVE-2021-41617
- web https://www.starwindsoftware.com/security/sw-20220805-0001
- web https://security.netapp.com/advisory/ntap-20211014-0004
- web https://lists.fedoraproject.org/archives/list/[email protected]/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET
- web https://lists.fedoraproject.org/archives/list/[email protected]/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT
- web https://lists.fedoraproject.org/archives/list/[email protected]/message/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED
- web https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET
- web https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT
- web https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED
- web https://github.com/advisories/GHSA-mxh4-p4w6-g844