Is CVE-2023-4299 in the CISA KEV catalog?

No. CVE-2023-4299 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-4299?

CVE-2023-4299 has a CVSS v3 base score of 9.0 (CRITICAL).

What is the EPSS score for CVE-2023-4299?

CVE-2023-4299 has an EPSS score of 0.55% (42th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-4299?

Upgrade connect es firmware to 2.26.2.4 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2023-4299

CRITICAL

9.0

CVSS v3

NVD

Description

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

CWE-836

How to fix

Remediation Available

connect es firmwareNVD

Affected:< 2.26.2.4Fixed in:2.26.2.4CVE-2023-4299derived from NVD

connectport lts 8\/16\/32 firmwareNVD

Affected:< 1.4.9Fixed in:1.4.9CVE-2023-4299derived from NVD

connectport ts 8\/16 firmwareNVD

Affected:< 2.26.2.4Fixed in:2.26.2.4CVE-2023-4299derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Exploit Intelligence

0.55%probability of exploitation in 30 days

42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Vendor Advisory1

digi.com

Third-Party Advisory1

cisa.gov

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.