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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2021-36086

CVE Program ContainerCVE-2021-36086

Answer in brief

CVE-2021-36086 records a Unknown severity vulnerability in CVE Program Container. The current sources do not mark it as known exploited. The current feed maps n/a/n/a (generic), Siemens/RUGGEDCOM ROX MX5000 (generic), Siemens/RUGGEDCOM ROX MX5000RE (generic), Siemens/RUGGEDCOM ROX RX1400 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 1, 2021Updated Oct 14, 2026Source checked Oct 14, 2026First seen by HOL Oct 14, 2026Material review Oct 14, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
15 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps n/a/n/a (generic), Siemens/RUGGEDCOM ROX MX5000 (generic), Siemens/RUGGEDCOM ROX MX5000RE (generic), Siemens/RUGGEDCOM ROX RX1400 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
n/a/n/agenericn/aNot reported
Siemens/RUGGEDCOM ROX MX5000generic>=0 <V2.17.0V2.17.0
Siemens/RUGGEDCOM ROX MX5000REgeneric>=0 <V2.17.0V2.17.0
Siemens/RUGGEDCOM ROX RX1400generic>=0 <V2.17.0V2.17.0
Siemens/RUGGEDCOM ROX RX1500generic>=0 <V2.17.0V2.17.0
Siemens/RUGGEDCOM ROX RX1501generic>=0 <V2.17.0V2.17.0
Siemens/RUGGEDCOM ROX RX1510generic>=0 <V2.17.0V2.17.0
Siemens/RUGGEDCOM ROX RX1511generic>=0 <V2.17.0V2.17.0
Siemens/RUGGEDCOM ROX RX1512generic>=0 <V2.17.0V2.17.0
Siemens/RUGGEDCOM ROX RX1524generic>=0 <V2.17.0V2.17.0
Siemens/RUGGEDCOM ROX RX1536generic>=0 <V2.17.0V2.17.0
Siemens/RUGGEDCOM ROX RX5000generic>=0 <V2.17.0V2.17.0
Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFPgeneric>=V3.1.0 <V3.1.5V3.1.5
Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPgeneric>=V3.1.0 <V3.1.5V3.1.5
Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFPgeneric>=V3.1.0 <V3.1.5V3.1.5

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for n/a/n/a, Siemens/RUGGEDCOM ROX MX5000, Siemens/RUGGEDCOM ROX MX5000RE.
  2. 2Review the reported fix. Update Siemens/RUGGEDCOM ROX MX5000 to V2.17.0; Siemens/RUGGEDCOM ROX MX5000RE to V2.17.0; Siemens/RUGGEDCOM ROX RX1400 to V2.17.0; Siemens/RUGGEDCOM ROX RX1500 to V2.17.0; Siemens/RUGGEDCOM ROX RX1501 to V2.17.0; Siemens/RUGGEDCOM ROX RX1510 to V2.17.0; Siemens/RUGGEDCOM ROX RX1511 to V2.17.0; Siemens/RUGGEDCOM ROX RX1512 to V2.17.0; Siemens/RUGGEDCOM ROX RX1524 to V2.17.0; Siemens/RUGGEDCOM ROX RX1536 to V2.17.0; Siemens/RUGGEDCOM ROX RX5000 to V2.17.0; Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP to V3.1.5; Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP to V3.1.5; Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFP to V3.1.5 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jul 1, 2021

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 14, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 14, 2026

Sources and claim methodology

  • Source referencebugs.chromium.org
  • Source referencecert-portal.siemens.com
  • Source referencecert-portal.siemens.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencelists.debian.org
  • Source referencelists.fedoraproject.org
  • Source referencesecurity.netapp.com
Upstream source description

The CIL compiler in SELinux 3.2 has a use-after-free in cil_reset_classpermission (called from cil_reset_classperms_set and cil_reset_classperms_list).

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Gstreamer1-plugins-bad-free: gstreamer1-plugins-bad-free: out-of-bounds write in gst_h266_parser_parse_dci() due to off-by-one array bound checkSame generic ecosystem
  • Gstreamer1-plugins-bad-free: gstreamer1-plugins-bad-free: heap out-of-bounds write in asfmux due to incorrect utf-16 size calculation for non-bmp charactersSame generic ecosystem
  • WPCode 2.0.0 - 2.3.9 - Unauthenticated Snippet Suppression via Safe Mode BypassSame generic ecosystem
  • Stack overwrite from specially formatted base64 RDATA fieldSame generic ecosystem
  • Stack overwrite from a specially crafted and formatted SVCB or HTTPS RRSame generic ecosystem
  • Stack overwrite from a specially crafted and formatted HIP RRSame generic ecosystem

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Oct 14, 2026
References
8 linked sources
Open source record