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01 Record

CVE-2020-4089

HCL Notes is vulnerable to an information leakage vulnerability through its support for the 'mailto' protocol. This vulnerability could result in files from the user's filesystem or connected network

UnratedPUBLISHEDCNA: HCL
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

HCL Notes is vulnerable to an information leakage vulnerability through its support for the 'mailto' protocol. This vulnerability could result in files from the user's filesystem or connected network

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.16% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 67.1% of scored records. A rank, not a probability.
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-06-26 22:55Z6 YR AGO
Last updated
2024-08-04 07:52Z2 YR AGO
Reserved
2019-12-30
Assigning CNA
HCL
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
ca9e842ec54010ce345c246ae0edf5d85be13f3f23e53d26c35c045ee217ecb0

05 Affected products

VendorProductVersionsPlatforms
HCLHCL NotesAll versions of HCL Notes v9, All versions of HCL Notes v10, All versions of HCL Notes v11—

06 References