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CVE-2020-25648

Common vulnerabilities & exposures (CVE)

CVE databaseCVE database blogpostRelease & EoL database
 
Published at: - 21-10-2020 12:15
Last modified: - 10-05-2022 05:45
Total changes: - 8

Description

A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This flaw affects NSS versions before 3.58.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Low
Attack complexity
Network
Attack vector
High
Availability
None
Confidentiality
None
Integrity
None
Privileges required
Unchanged
Scope
None
User interaction
7.5
Base score
3.9
3.6
Exploitability score
Impact score
 

Verification logic

OR
OR
vendor=mozilla AND product=network_security_services AND versionEndExcluding=3.58
OR
vendor=Red Hat Enterprise Linux AND product=enterprise_linux AND version=7.0
vendor=Red Hat Enterprise Linux AND product=enterprise_linux AND version=8.0
OR
vendor=fedoraproject AND product=fedora AND version=31
vendor=fedoraproject AND product=fedora AND version=32
vendor=fedoraproject AND product=fedora AND version=33
OR
vendor=oracle AND product=communications_offline_mediation_controller AND version=12.0.0.3.0
vendor=oracle AND product=communications_pricing_design_center AND version=12.0.0.3.0
vendor=oracle AND product=jd_edwards_enterpriseone_tools AND versionEndExcluding=9.2.6.0
 

Reference

 


Keywords

NVD

 

CVE-2020-25648

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures

 

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