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CVE-2020-4089

MEDIUMCVSS 6.5/10EPSS 1.16%

Last modified

CVE-2020-4089 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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 filesystems being leaked to a third party. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

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 filesystems being leaked to a third party. All versions of HCL Notes 9, 10 and 11 are affected.

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Probability
1.16%

63.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
HcltechNotes9.0
HcltechNotes10.0
HcltechNotes11.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 filesystems being leaked to a third party. All versions of HCL Notes 9, 10 and 11 are affected.
How severe is CVE-2020-4089?
CVE-2020-4089 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.
How do I fix CVE-2020-4089?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-4089?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST