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TI-2020-11157 Aliases CVE-2020-14268GHSA-pqw8-9r2r-p4cp

Out-of-bounds write in HCL Notes

Priority MEDIUM 46CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

A vulnerability in the MIME message handling of the Notes client (versions 9 and 10) could potentially be exploited by an unauthenticated attacker resulting in a stack buffer overflow. This could allow a remote attacker to crash the client or inject code into the system which would execute with the privileges of the client.

Why it matters now

EPSS 0.02253 83rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—HCL Notesv9, v10—No fix listedCNA
  • HCL Notes Vendor— Affected v9, v10 Fixed in — No fix listed CNA

CPE configurations NVD · 34

CPEVersionsRoleVendor
cpe:2.3:a:hcltech:notes:*:*:*:*:*:*:*:*9.0 to before 9.0.1; 10.0 to before 10.0.1VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:-:*:*:*:*:*:*9.0.1VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp10:*:*:*:*:*:*9.0.1 fp10VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp10if1:*:*:*:*:*:*9.0.1 fp10if1VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp10if2:*:*:*:*:*:*9.0.1 fp10if2VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp10if3:*:*:*:*:*:*9.0.1 fp10if3VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp10if4:*:*:*:*:*:*9.0.1 fp10if4VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp10if5:*:*:*:*:*:*9.0.1 fp10if5VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp10if6:*:*:*:*:*:*9.0.1 fp10if6VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp10if7:*:*:*:*:*:*9.0.1 fp10if7VulnerableHCL Software
  • cpe:2.3:a:hcltech:notes:*:*:*:*:*:*:*:* Versions 9.0 to before 9.0.1; 10.0 to before 10.0.1 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:-:*:*:*:*:*:* Versions 9.0.1 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp10:*:*:*:*:*:* Versions 9.0.1 fp10 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp10if1:*:*:*:*:*:* Versions 9.0.1 fp10if1 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp10if2:*:*:*:*:*:* Versions 9.0.1 fp10if2 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp10if3:*:*:*:*:*:* Versions 9.0.1 fp10if3 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp10if4:*:*:*:*:*:* Versions 9.0.1 fp10if4 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp10if5:*:*:*:*:*:* Versions 9.0.1 fp10if5 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp10if6:*:*:*:*:*:* Versions 9.0.1 fp10if6 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp10if7:*:*:*:*:*:* Versions 9.0.1 fp10if7 Vulnerable ·HCL Software
Show 24 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:hcltech:notes:9.0.1:fp1if1:*:*:*:*:*:*9.0.1 fp1if1VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp1if2:*:*:*:*:*:*9.0.1 fp1if2VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp2if1:*:*:*:*:*:*9.0.1 fp2if1VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp2if2:*:*:*:*:*:*9.0.1 fp2if2VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp2if3:*:*:*:*:*:*9.0.1 fp2if3VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp2if4:*:*:*:*:*:*9.0.1 fp2if4VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp3if1:*:*:*:*:*:*9.0.1 fp3if1VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp3if2:*:*:*:*:*:*9.0.1 fp3if2VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp3if3:*:*:*:*:*:*9.0.1 fp3if3VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp3if4:*:*:*:*:*:*9.0.1 fp3if4VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp4if1:*:*:*:*:*:*9.0.1 fp4if1VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp4if2:*:*:*:*:*:*9.0.1 fp4if2VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp5if1:*:*:*:*:*:*9.0.1 fp5if1VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp5if2:*:*:*:*:*:*9.0.1 fp5if2VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp5if3:*:*:*:*:*:*9.0.1 fp5if3VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp7if1:*:*:*:*:*:*9.0.1 fp7if1VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp7if2:*:*:*:*:*:*9.0.1 fp7if2VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp8if1:*:*:*:*:*:*9.0.1 fp8if1VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp9if1:*:*:*:*:*:*9.0.1 fp9if1VulnerableHCL Software
cpe:2.3:a:hcltech:notes:9.0.1:fp9if2:*:*:*:*:*:*9.0.1 fp9if2VulnerableHCL Software
cpe:2.3:a:hcltech:notes:10.0.1:-:*:*:*:*:*:*10.0.1VulnerableHCL Software
cpe:2.3:a:hcltech:notes:10.0.1:fp1:*:*:*:*:*:*10.0.1 fp1VulnerableHCL Software
cpe:2.3:a:hcltech:notes:10.0.1:fp2:*:*:*:*:*:*10.0.1 fp2VulnerableHCL Software
cpe:2.3:a:hcltech:notes:10.0.1:fp3:*:*:*:*:*:*10.0.1 fp3VulnerableHCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp1if1:*:*:*:*:*:* Versions 9.0.1 fp1if1 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp1if2:*:*:*:*:*:* Versions 9.0.1 fp1if2 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp2if1:*:*:*:*:*:* Versions 9.0.1 fp2if1 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp2if2:*:*:*:*:*:* Versions 9.0.1 fp2if2 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp2if3:*:*:*:*:*:* Versions 9.0.1 fp2if3 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp2if4:*:*:*:*:*:* Versions 9.0.1 fp2if4 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp3if1:*:*:*:*:*:* Versions 9.0.1 fp3if1 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp3if2:*:*:*:*:*:* Versions 9.0.1 fp3if2 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp3if3:*:*:*:*:*:* Versions 9.0.1 fp3if3 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp3if4:*:*:*:*:*:* Versions 9.0.1 fp3if4 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp4if1:*:*:*:*:*:* Versions 9.0.1 fp4if1 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp4if2:*:*:*:*:*:* Versions 9.0.1 fp4if2 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp5if1:*:*:*:*:*:* Versions 9.0.1 fp5if1 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp5if2:*:*:*:*:*:* Versions 9.0.1 fp5if2 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp5if3:*:*:*:*:*:* Versions 9.0.1 fp5if3 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp7if1:*:*:*:*:*:* Versions 9.0.1 fp7if1 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp7if2:*:*:*:*:*:* Versions 9.0.1 fp7if2 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp8if1:*:*:*:*:*:* Versions 9.0.1 fp8if1 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp9if1:*:*:*:*:*:* Versions 9.0.1 fp9if1 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:9.0.1:fp9if2:*:*:*:*:*:* Versions 9.0.1 fp9if2 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:10.0.1:-:*:*:*:*:*:* Versions 10.0.1 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:10.0.1:fp1:*:*:*:*:*:* Versions 10.0.1 fp1 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:10.0.1:fp2:*:*:*:*:*:* Versions 10.0.1 fp2 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:notes:10.0.1:fp3:*:*:*:*:*:* Versions 10.0.1 fp3 Vulnerable ·HCL Software

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-14268
  2. 2026-10-03 Alias added: GHSA-pqw8-9r2r-p4cp

References

Patch 1

  • TI-2022-22044 Out-of-bounds write in HCL Software Notes CVSS 3.1CRITICAL 9.8
  • TI-2022-22042 Out-of-bounds write in HCL Software Notes CVSS 3.1CRITICAL 9.8
  • TI-2022-22040 Out-of-bounds write in HCL Software Notes CVSS 3.1CRITICAL 9.8
  • TI-2020-11139 Out-of-bounds write in HCL Notes CVSS 3.1CRITICAL 9.8
  • TI-2020-11143 A vulnerability in the input parameter handling of HCL Notes v9 could potentially be… CVSS 3.1HIGH 8.8
  • TI-2020-11153 Improper input validation in HCL Notes CVSS 3.1HIGH 7.5
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences