Vulnerability · Published Nov 21, 2020 · Assigned by HCL

CVE-2020-14258

High 7.5

In plain English

A high-severity security flaw in HCL Notes from HCL. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities).

Severity (CVSS NVD)7.5High

Exploit odds (30 days)1.3%top 30.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
HCL	HCL Notes	v9v10v11

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085304 x_refsource_CONFIRM