CVE-2020-14258: Input Validation
First published: Sat Nov 21 2020(Updated: )
HCL Notes is susceptible to a Denial of Service vulnerability caused by improper validation of user-supplied input. A remote unauthenticated attacker could exploit this vulnerability using a specially-crafted email message to hang the client. Versions 9, 10 and 11 are affected.
Credit: psirt@hcl.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Hcltech Notes | =9.0 | |
| Hcltech Notes | =10.0 | |
| Hcltech Notes | =11.0 |
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Frequently Asked Questions
What is CVE-2020-14258?
CVE-2020-14258 is a Denial of Service vulnerability in HCL Notes caused by improper validation of user-supplied input.
How does CVE-2020-14258 affect HCL Notes?
CVE-2020-14258 affects HCL Notes by allowing a remote unauthenticated attacker to exploit the vulnerability and hang the client by sending a specially-crafted email message.
Which versions of HCL Notes are affected by CVE-2020-14258?
Versions 9, 10, and 11 of HCL Notes are affected by CVE-2020-14258.
What is the severity of CVE-2020-14258?
CVE-2020-14258 has a severity rating of 7.5 (high).
How can I fix CVE-2020-14258?
To fix CVE-2020-14258, it is recommended to apply the latest security patch provided by HCL Technologies.
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