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.
Published: 2020-10-20
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3634-1 nss security update
EUVD EUVD EUVD-2020-18313 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.
Ubuntu USN Ubuntu USN USN-5410-1 NSS vulnerability
History

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Subscriptions

Fedoraproject Fedora
Mozilla Network Security Services
Oracle Communications Offline Mediation Controller Communications Pricing Design Center Jd Edwards Enterpriseone Tools
Redhat Enterprise Linux Rhmt
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-04T15:40:36.481Z

Reserved: 2020-09-16T00:00:00.000Z

Link: CVE-2020-25648

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-10-20T22:15:43.217

Modified: 2024-11-21T05:18:20.080

Link: CVE-2020-25648

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-10-19T00:00:00Z

Links: CVE-2020-25648 - Bugzilla

cve-icon OpenCVE Enrichment

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Weaknesses