How severe is CVE-2023-41627?

CVE-2023-41627 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2023-41627 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-41627?

CVE-2023-41627 affects O-ran-sc Ric Message Router. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-41627?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-41627 published?

CVE-2023-41627 was published on 2023-09-01 and last updated on 2026-06-17.

CVE-2023-41627

CVE-2023-41627 is a high-severity vulnerability in O-ran-sc Ric Message Router with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: O-ran-sc Ric Message Router
Published: 2023-09-01
Last modified: 2026-06-17

Description

O-RAN Software Community ric-plt-lib-rmr v4.9.0 does not validate the source of the routing tables it receives, potentially allowing attackers to send forged routing tables to the device.

Frequently asked questions

What is CVE-2023-41627?: O-RAN Software Community ric-plt-lib-rmr v4.9.0 does not validate the source of the routing tables it receives, potentially allowing attackers to send forged routing tables to the device.
How severe is CVE-2023-41627?: CVE-2023-41627 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-41627 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-41627?: CVE-2023-41627 affects O-ran-sc Ric Message Router. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-41627?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-41627 published?: CVE-2023-41627 was published on 2023-09-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:o-ran-sc:ric_message_router:4.9.0:*:*:*:*:*:*:*

More vulnerabilities in O-ran-sc Ric Message Router

CVE-2023-40998 — High (CVSS 7.5): Buffer Overflow vulnerability in O-RAN Software Community ric-plt-lib-rmr v.4.9.0 allows a remote attacker to cause a…
CVE-2023-40997 — High (CVSS 7.5): Buffer Overflow vulnerability in O-RAN Software Community ric-plt-lib-rmr v.4.9.0 allows a remote attacker to cause a…

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