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ubuntucveUbuntu.comUB:CVE-2020-25648
HistoryOct 20, 2020 - 12:00 a.m.

CVE-2020-25648

2020-10-2000:00:00
ubuntu.com
ubuntu.com
10

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.007 Low

EPSS

Percentile

80.2%

JSON

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.

Bugs

Notes

Author Note
leosilva From SUSE and Rhel: This issue affects servers which are compiled against the NSS library. Other consumers of NSS like firefox etc are not affected by this flaw.
eslerm CCS handling introduced after 3.28.4 with revision c3eba3a9483abede4c35fa92b5c950a35cd9b639 and others
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchnss< 2:3.35-2ubuntu2.14UNKNOWN
ubuntu20.04noarchnss< 2:3.49.1-1ubuntu1.7UNKNOWN

Related

nessus 31
veracode 1
oraclelinux 2
ubuntu 1
cve 1
amazon 2
fedora 3
ibm 4
osv 5
openvas 19
gentoo 1
redhat 10
alpinelinux 1
cloudfoundry 1
rocky 1
debiancve 1
prion 1
almalinux 1
redhatcve 1
debian 1
mageia 1
photon 1
oracle 2
nessus
nessus
Fedora 33 : nss (2020-f29254bd5e)
2020-11-06 00:00:00
RHEL 7 : nss (RHSA-2021:1384)
2021-04-27 00:00:00
Oracle Linux 7 : nss (ELSA-2021-1384)
2021-04-29 00:00:00
veracode
veracode
Denial Of Service (DoS)
2020-12-04 16:26:27
oraclelinux
oraclelinux
nss and nspr security, bug fix, and enhancement update
2021-09-21 00:00:00
nss security and bug fix update
2021-04-28 00:00:00
ubuntu
ubuntu
NSS vulnerability
2022-05-11 00:00:00
cve
cve
CVE-2020-25648
2020-10-20 22:15:00
amazon
amazon
Medium: nss
2021-06-16 20:37:00
Medium: nss
2021-07-08 18:38:00
fedora
fedora
[SECURITY] Fedora 31 Update: nss-3.58.0-3.fc31
2020-11-13 01:55:03
[SECURITY] Fedora 32 Update: nss-3.58.0-3.fc32
2020-11-13 01:31:05
[SECURITY] Fedora 33 Update: nss-3.58.0-3.fc33
2020-11-04 03:03:38
ibm
ibm
Security Bulletin: IBM MQ Appliance is affected by Mozilla Network Security Services (NSS) vulnerability (CVE-2020-25648)
2021-07-09 15:20:56
Security Bulletin: IBM QRadar Network Security is affected by multiple vulnerabilities (CVE-2020-25648, CVE-2021-31535, CVE-2021-20305, CVE-2020-25692)
2021-11-08 03:57:51
Security Bulletin: IBM QRadar Network Packet Capture is vulnerable to using components with known vulnerabilities
2021-07-30 05:04:09
osv
osv
Moderate: nss and nspr security, bug fix, and enhancement update
2021-09-21 07:08:30
CVE-2020-25648
2020-10-20 22:15:43
nss vulnerability
2022-05-11 08:22:36
openvas
openvas
Fedora: Security Advisory for nss (FEDORA-2020-a857113c7a)
2020-11-13 00:00:00
Fedora: Security Advisory for nss (FEDORA-2020-f29254bd5e)
2020-11-04 00:00:00
Fedora: Security Advisory for nss (FEDORA-2020-bb91bf9b8e)
2020-11-13 00:00:00
gentoo
gentoo
Mozilla Network Security Service (NSS): Denial of service
2020-12-23 00:00:00
redhat
redhat
(RHSA-2021:3572) Moderate: nss and nspr security, bug fix, and enhancement update
2021-09-21 07:08:30
(RHSA-2021:1384) Moderate: nss security and bug fix update
2021-04-27 07:51:47
(RHSA-2021:3748) Moderate: OpenShift Container Storage 3.11.z Container Images Security and Bug Fix Update
2021-10-07 14:11:23
alpinelinux
alpinelinux
CVE-2020-25648
2020-10-20 22:15:00
cloudfoundry
cloudfoundry
USN-5410-1: NSS vulnerability | Cloud Foundry
2022-05-26 00:00:00
rocky
rocky
nss and nspr security, bug fix, and enhancement update
2021-09-21 07:08:30
debiancve
debiancve
CVE-2020-25648
2020-10-20 22:15:00
prion
prion
Design/Logic Flaw
2020-10-20 22:15:00
almalinux
almalinux
Moderate: nss and nspr security, bug fix, and enhancement update
2021-09-21 07:08:30
redhatcve
redhatcve
CVE-2020-25648
2020-10-20 04:16:03
debian
debian
[SECURITY] [DLA 3634-1] nss security update
2023-10-28 14:53:24
mageia
mageia
Updated nss and firefox packages fix security vulnerabilities
2020-10-24 20:51:47
photon
photon
Critical Photon OS Security Update - PHSA-2023-3.0-0520
2023-01-27 00:00:00
oracle
oracle
Oracle Critical Patch Update Advisory - July 2021
2021-07-20 00:00:00
Oracle Critical Patch Update Advisory - October 2021
2021-10-19 00:00:00

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.007 Low

EPSS

Percentile

80.2%

JSON
Related for UB:CVE-2020-25648
nessus31veracode1oraclelinux2ubuntu1cve1amazon2fedora3ibm4osv5openvas19gentoo1redhat10alpinelinux1cloudfoundry1rocky1debiancve1prion1almalinux1redhatcve1debian1mageia1photon1oracle2