CVE-2023-4299
HIGHCVSS 8.1/10EPSS 0.55%
Last modified
CVE-2023-4299 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authentication to access connected equipment. . EPSS estimates a 0.55% chance of exploitation in the next 30 days.
Description
Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authentication to access connected equipment.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Digi | Realport | <= 1.9-40 |
| Digi | Realport | <= 4.8.488.0 |
| Digi | Connectport Ts 8\/16 Firmware | < 2.26.2.4 |
| Digi | Passport Firmware | All versions |
| Digi | Connectport Lts 8\/16\/32 Firmware | < 1.4.9 |
| Digi | Cm Firmware | All versions |
| Digi | Portserver Ts Firmware | All versions |
| Digi | Portserver Ts Mei Firmware | All versions |
| Digi | Portserver Ts Mei Hardened Firmware | All versions |
| Digi | Portserver Ts M Mei Firmware | All versions |
| Digi | Portserver Ts P Mei Firmware | All versions |
| Digi | One Iap Firmware | All versions |
| Digi | One Ia Firmware | All versions |
| Digi | One Sp Ia Firmware | All versions |
| Digi | One Sp Firmware | All versions |
| Digi | Wr31 Firmware | All versions |
| Digi | Transport Wr11 Xt Firmware | All versions |
| Digi | Wr44 R Firmware | All versions |
| Digi | Wr21 Firmware | All versions |
| Digi | Connect Es Firmware | < 2.26.2.4 |
| Digi | Connect Sp Firmware | All versions |
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-243-04Third Party Advisory, US Government Resource
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-243-04Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-4299?
Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authentication to access connected equipment.
How severe is CVE-2023-4299?
CVE-2023-4299 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.
How do I fix CVE-2023-4299?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-4299?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST