Skip to main content
No exploitation reported

CVE-2021-38476

No exploitation reported by the sources we read.

  • Published2021-10-19
  • WeaknessCWE-203 · CWE-204

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2021-10-1913:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-38476?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-38476?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Inhandnetworks ir615 firmwareversion to verify
BranchAffectedFixed in
2.3= 2.3.0.r4724no fix published
2.3= 2.3.0.r4870no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-21-280-05 CISA1 known affected

    InHand Networks IR615 Router (Update A)

    IR615 Router: Versions 2.3.0.r5417 and prior

Full record on NVD

Fix

  1. Mitigation from the vendor CISA ICSA-21-280-05 · 1 productInHand Networks recommends users upgrade to version InRouter6XX-S-V2.3.0.r5484 or later.
  2. Mitigation from the vendor CISA ICSA-21-280-05 · 1 productFor additional information, please refer to InHand's Product Security Advisory InHand-PSA-2021-01

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CNACVSS 3.16.5read 2026-10-23
  • NVDCVSS 3.15.3read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • CNAweakness (CWE)CWE-204read 2026-10-23
  • NVDweakness (CWE)CWE-203read 2026-10-23
  • FIRST EPSSEPSS score0.8 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Published
2021-10-19
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2021-38476?

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.

Is CVE-2021-38476 actively exploited?

Active exploitation of CVE-2021-38476 has not been confirmed. Its EPSS score was 0.8% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-38476?

CVE-2021-38476 has a CVSS v3 base score of 5.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Running InHand Networks IR615 Router? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

No credit card required · No monthly cap on website lookups · 250 API requests/month