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Ir615 Firmware CVE-2021-38476

MEDIUM
Observable Response Discrepancy (CWE-204)
2021-10-19 ics-cert@hq.dhs.gov
5.3
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V6 - Authentication Response uniformity
Impact

CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.7% exploitation probability (EPSS)

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AnalysisAI

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 authentication process response indicates and validates the existence of a username. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-204. InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 authentication process response indicates and validates the existence of a username. This may allow an attacker to enumerate different user accounts. Affected products include: Inhandnetworks Ir615 Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

DescriptionNVD

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 authentication process response indicates and validates the existence of a username. This may allow an attacker to enumerate different user accounts.

Threat Intelligence Overview

EPSS Score
0.7%
Top 50% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.7%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:o:inhandnetworks:ir615_firmware:2.3.0.r4724:*:*:*:*:*:*:*
cpe:2.3:o:inhandnetworks:ir615_firmware:2.3.0.r4870:*:*:*:*:*:*:*
CVE-2021-38474 CRITICAL
9.8 Oct 19

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 have has no account lockout policy configured for th

CVE-2021-38462 CRITICAL
9.8 Oct 19

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 does not enforce an efficient password policy. Rated

CVE-2021-38478 CRITICAL
9.1 Oct 19

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 are vulnerable to an attacker using a traceroute too

CVE-2021-38470 CRITICAL
9.1 Oct 19

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 are vulnerable to an attacker using a ping tool to i

CVE-2021-38480 HIGH
8.8 Oct 19

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 are vulnerable to cross-site request forgery when un

CVE-2021-38486 HIGH
8.5 Oct 19

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 cloud portal allows for self-registration of the aff

CVE-2021-38464 HIGH
7.4 Oct 19

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 have inadequate encryption strength, which may allow

CVE-2021-38484 HIGH
7.2 Oct 19

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 do not have a filter or signature check to detect or

CVE-2021-38466 MEDIUM
6.1 Oct 19

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 do not perform sufficient input validation on client

CVE-2021-38482 MEDIUM
4.8 Oct 19

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 website used to control the router is vulnerable to

CVE-2021-38468 MEDIUM
4.8 Oct 19

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 are vulnerable to stored cross-scripting, which may

CVE-2021-38472 MEDIUM
4.7 Oct 19

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 management portal does not contain an X-FRAME-OPTION

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