Sign-up

ID

VAR-202010-0514


CVE

CVE-2020-26887


TITLE

FRITZ!OS  Vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2020-012814

DESCRIPTION

FRITZ!OS before 7.21 on FRITZ!Box devices allows a bypass of a DNS Rebinding protection mechanism. FRITZ!OS Contains an unspecified vulnerability.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. AVM Fritz! Box is a wireless router made by AVM in Germany. No detailed vulnerability details are currently provided

Trust: 2.25

sources: NVD: CVE-2020-26887 // JVNDB: JVNDB-2020-012814 // CNVD: CNVD-2020-64940 // VULMON: CVE-2020-26887

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2020-64940

AFFECTED PRODUCTS

vendor:avmmodel:fritz\!box 7490scope:ltversion:7.21

Trust: 1.0

vendor:avmmodel:fritz!box 7490scope:eqversion: -

Trust: 0.8

vendor:avmmodel:fritz!box 7490scope:eqversion:fritz!box 7490 firmware 7.21

Trust: 0.8

vendor:avmmodel:fritz!boxscope:lteversion:<=7.20

Trust: 0.6

sources: CNVD: CNVD-2020-64940 // JVNDB: JVNDB-2020-012814 // NVD: CVE-2020-26887

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-26887
value: HIGH

Trust: 1.0

NVD: CVE-2020-26887
value: HIGH

Trust: 0.8

CNVD: CNVD-2020-64940
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202010-893
value: HIGH

Trust: 0.6

VULMON: CVE-2020-26887
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2020-26887
severity: MEDIUM
baseScore: 4.6
vectorString: AV:L/AC:L/AU:N/C:P/I:P/A:P
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 3.9
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2020-64940
severity: MEDIUM
baseScore: 4.6
vectorString: AV:L/AC:L/AU:N/C:P/I:P/A:P
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 3.9
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2020-26887
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2020-26887
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2020-64940 // VULMON: CVE-2020-26887 // JVNDB: JVNDB-2020-012814 // CNNVD: CNNVD-202010-893 // NVD: CVE-2020-26887

PROBLEMTYPE DATA

problemtype:NVD-CWE-noinfo

Trust: 1.0

problemtype:Lack of information (CWE-noinfo) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2020-012814 // NVD: CVE-2020-26887

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202010-893

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202010-893

PATCH

title:Newsurl:https://en.avm.de/news/

Trust: 0.8

title:Patch for AVM Fritz! Box security bypass vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/240559

Trust: 0.6

title:AVM FRITZ!Box Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=130854

Trust: 0.6

sources: CNVD: CNVD-2020-64940 // JVNDB: JVNDB-2020-012814 // CNNVD: CNNVD-202010-893

EXTERNAL IDS

db:NVDid:CVE-2020-26887

Trust: 3.1

db:PACKETSTORMid:159606

Trust: 2.5

db:JVNDBid:JVNDB-2020-012814

Trust: 0.8

db:CNVDid:CNVD-2020-64940

Trust: 0.6

db:CNNVDid:CNNVD-202010-893

Trust: 0.6

db:VULMONid:CVE-2020-26887

Trust: 0.1

sources: CNVD: CNVD-2020-64940 // VULMON: CVE-2020-26887 // JVNDB: JVNDB-2020-012814 // CNNVD: CNNVD-202010-893 // NVD: CVE-2020-26887

REFERENCES

url:http://packetstormsecurity.com/files/159606/fritz-box-7.20-dns-rebinding-protection-bypass.html

Trust: 3.1

url:https://nvd.nist.gov/vuln/detail/cve-2020-26887

Trust: 2.0

url:https://en.avm.de/news/

Trust: 1.7

url:https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analyses

Trust: 1.7

url:https://cwe.mitre.org/data/definitions/.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

url:https://exchange.xforce.ibmcloud.com/vulnerabilities/189987

Trust: 0.1

sources: CNVD: CNVD-2020-64940 // VULMON: CVE-2020-26887 // JVNDB: JVNDB-2020-012814 // CNNVD: CNNVD-202010-893 // NVD: CVE-2020-26887

CREDITS

Site redteam-pentesting.de

Trust: 0.6

sources: CNNVD: CNNVD-202010-893

SOURCES

db:CNVDid:CNVD-2020-64940
db:VULMONid:CVE-2020-26887
db:JVNDBid:JVNDB-2020-012814
db:CNNVDid:CNNVD-202010-893
db:NVDid:CVE-2020-26887

LAST UPDATE DATE

2024-11-23T23:04:14.945000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2020-64940date:2020-11-20T00:00:00
db:VULMONid:CVE-2020-26887date:2020-11-03T00:00:00
db:JVNDBid:JVNDB-2020-012814date:2021-06-03T08:40:00
db:CNNVDid:CNNVD-202010-893date:2020-11-04T00:00:00
db:NVDid:CVE-2020-26887date:2024-11-21T05:20:25.103

SOURCES RELEASE DATE

db:CNVDid:CNVD-2020-64940date:2020-11-20T00:00:00
db:VULMONid:CVE-2020-26887date:2020-10-23T00:00:00
db:JVNDBid:JVNDB-2020-012814date:2021-06-03T00:00:00
db:CNNVDid:CNNVD-202010-893date:2020-10-19T00:00:00
db:NVDid:CVE-2020-26887date:2020-10-23T05:15:13.517