CVE-2019-9555

CVSS V2 Medium 5 CVSS V3 Medium 5.3

Description

Sagemcom F@st 5260 routers using firmware version 0.4.39, in WPA mode, default to using a PSK that is generated from a 2-part wordlist of known values and a nonce with insufficient entropy. The number of possible PSKs is about 1.78 billion, which is too small.

Overview

CVE ID
CVE-2019-9555

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2019-03-05T23:29:02

Last Modified Date
2020-08-24T17:37:01

Weakness Enumerations

CWE	URL
CWE-331	http://cwe.mitre.org/data/definitions/331.html

CPE Configuration (Product)

CPE	Vulnerable	Operator
		AND
cpe:2.3:o:sagemcom:f\@st_5260_firmware:0.4.39:::::::*	1	OR
cpe:2.3:h:sagemcom:f\@st_5260:-:::::::*	0	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
LOW

Availability Impact
NONE

Base Score
5.3

Base Severity
MEDIUM

Exploitability Score
3.9

Impact Score
1.4

References

Reference URL	Reference Tags
https://seclists.org/fulldisclosure/2019/Mar/12	Mitigation Mailing List Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2019-9555
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9555

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:18:34				Added to TrackCVE
2022-12-03 17:56:25	2019-03-05T23:29Z	2019-03-05T23:29:02	CVE Published Date	updated
2022-12-03 17:56:25		2020-08-24T17:37:01	CVE Modified Date	updated
2022-12-03 17:56:25		Analyzed	Vulnerability Status	updated