High severity · published Nov 21, 2020
CVE-2020-14258
HCL Notes is susceptible to a Denial of Service vulnerability caused by improper validation of user-supplied input
7.5
CVSS
1.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NO
Notes · Hcltech
9.0; 10.0; 11.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-14258
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-14258
Patch
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085304
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