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CVE-2020-4102

MEDIUMCVSS 6.7/10EPSS 0.32%

Last modified

CVE-2020-4102 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. HCL Notes is susceptible to a Buffer Overflow vulnerability in DXL due to improper validation of user input. A successful exploit could enable an attacker to crash Notes or execute attacker-controlled code on the client system.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

HCL Notes is susceptible to a Buffer Overflow vulnerability in DXL due to improper validation of user input. A successful exploit could enable an attacker to crash Notes or execute attacker-controlled code on the client system.

Metrics

CVSS 3.1
6.7/10

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

EPSS Probability
0.32%

23.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
HcltechNotes>= 9.0.0, <= 9.0.1
HcltechNotes10.0
HcltechNotes10.0.1
HcltechNotes11.0
HcltechNotes11.0.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-4102?
HCL Notes is susceptible to a Buffer Overflow vulnerability in DXL due to improper validation of user input. A successful exploit could enable an attacker to crash Notes or execute attacker-controlled code on the client system.
How severe is CVE-2020-4102?
CVE-2020-4102 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.
How do I fix CVE-2020-4102?
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-2020-4102?

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

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Source: NVD / NIST