CVE-2023-4299
Digi RealPort Protocol Use of Password Hash Instead of Password for Authentication
Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authentication to access connected equipment.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Digi RealPort Protocol Use of Password Hash Instead of Password for Authentication
Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authentication to access connected equipment.
- Record
CVE-2023-4299- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-836
- Updated
- 2026-11-02
EUVDEUVD-2023-54170
Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authentication to access connected equipment.
- Record
EUVD-2023-54170- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6mw3-9jr4-xc73
Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass...
Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authentication to access connected equipment.
- Record
GHSA-6mw3-9jr4-xc73- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-836
- Updated
- 2026-11-02
NVD
Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authentication to access connected equipment.
- Record
CVE-2023-4299- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-836
- Updated
- 2026-11-02
Affected products
- digi realport
- digi cm firmware
- digi connect es firmware
- digi connect sp firmware
- digi connectport lts 8\/16\/32 firmware
- digi connectport ts 8\/16 firmware
- digi one ia firmware
- digi one iap firmware
- digi one sp firmware
- digi one sp ia firmware
- digi passport firmware
- digi portserver ts firmware
Show 30 moreShow less
- digi portserver ts m mei firmware
- digi portserver ts mei firmware
- digi portserver ts mei hardened firmware
- digi portserver ts p mei firmware
- digi transport wr11 xt firmware
- digi wr21 firmware
- digi wr31 firmware
- digi wr44 r firmware
- digi international realport
- digi international 6350-sr
- digi international cm console server
- digi international connect es
- digi international connect sp
- digi international connectcore 8x products
- digi international connectport lts 8/16/32
- digi international connectport ts 8/16
- digi international one ia
- digi international one iap family
- digi international one sp ia
- digi international passport console server
- digi international portserver ts
- digi international portserver ts m mei
- digi international portserver ts mei
- digi international portserver ts mei hardened
- digi international portserver ts p mei
- digi international wr11 xt
- digi international wr21
- digi international wr31
- digi international wr44 r
- digi international digi one sp
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-4299 is a critical vulnerability (CVSS 9.0) in Digi Realport, published August 31, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.68%, the 52nd percentile. No source names a fixed version.