CVE-2021-20132

CVSS V2 High 8.3 CVSS V3 High 8.8

Description

Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 use default hard-coded credentials, which can allow a remote attacker to gain administrative access to the zebra or ripd those services. Both are running with root privileges on the router (i.e., as the "admin" user, UID 0).

Overview

CVE ID
CVE-2021-20132

Assigner
vulnreport@tenable.com

Vulnerability Status
Analyzed

Published Version
2021-12-30T22:15:07

Last Modified Date
2022-01-12T20:03:23

Weakness Enumerations

CWE	URL
CWE-798	http://cwe.mitre.org/data/definitions/798.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
		AND
cpe:2.3:o:dlink:dir-2640-us_firmware::::::::	1	OR	1.11b02
cpe:2.3:h:dlink:dir-2640-us:-:::::::*	0	OR

CVSS Version 2

Version
2.0

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

Access Vector
ADJACENT_NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
8.3

Severity
HIGH

Exploitability Score
6.5

Impact Score
10

CVSS Version 3

Version
3.1

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

Attack Vector
ADJACENT_NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
8.8

Base Severity
HIGH

Exploitability Score
2.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://www.tenable.com/security/research/tra-2021-44	Exploit Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-20132
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20132

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:37:40				Added to TrackCVE
2022-12-06 05:20:43	2021-12-30T22:15Z	2021-12-30T22:15:07	CVE Published Date	updated
2022-12-06 05:20:44		2022-01-12T20:03:23	CVE Modified Date	updated
2022-12-06 05:20:44		Analyzed	Vulnerability Status	updated