Vulnerability Details : CVE-2021-31505
This vulnerability allows attackers with physical access to escalate privileges on affected installations of Arlo Q Plus 1.9.0.3_278. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SSH service. The device can be booted into a special operation mode where hard-coded credentials are accepted for SSH authentication. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-12890.
Vulnerability category: Execute code
Products affected by CVE-2021-31505
- cpe:2.3:o:arlo:q_plus_firmware:1.9.0.3_278:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-31505
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-31505
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
6.8
|
MEDIUM | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
0.9
|
5.9
|
Zero Day Initiative | |
|
6.8
|
MEDIUM | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
0.9
|
5.9
|
NIST |
CWE ids for CVE-2021-31505
-
The product contains hard-coded credentials, such as a password or cryptographic key.Assigned by: zdi-disclosures@trendmicro.com (Primary)
References for CVE-2021-31505
-
https://www.zerodayinitiative.com/advisories/ZDI-21-683/
ZDI-21-683 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://kb.arlo.com/000062592/Security-Advisory-for-Arlo-Q-Plus-SSH-Use-of-Hard-coded-Credentials-Allowing-Privilege-Escalation
Security Advisory for Arlo Q Plus SSH Use of Hard-coded Credentials Allowing Privilege EscalationVendor Advisory
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