CVE-2023-4299

Digi RealPort Protocol Use of Password Hash Instead of Password for Authentication

HIGH
8.1
CVSS Score
Published: August 31, 2023 at 08:45 PM UTC
Updated: June 17, 2026 at 06:37 AM UTC
40 products affected across 1 vendorTransport WR11 Xt FirmwarePortserver Ts FirmwareWR21 Firmware

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Severity
HIGH8.1
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authentication to access connected equipment.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
digi-cm (same device)
v < 2.26.2.4
Affected range stops below 2.26.2.4, so it looks safe — our inference, not a vendor statement
digi-connect-es (same device)
All versions
digi-connect-sp (same device)
v < 1.4.9
Affected range stops below 1.4.9, so it looks safe — our inference, not a vendor statement
digi-connectport-lts-8-16-32 (same device)
v < 2.26.2.4
Affected range stops below 2.26.2.4, so it looks safe — our inference, not a vendor statement
digi-connectport-ts-8-16 (same device)
All versions
digi-one-ia (same device)
All versions
digi-one-iap (same device)
All versions
digi-one-sp (same device)
All versions
digi-one-sp-ia (same device)
All versions
digi-passport (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-836

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