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.

Published: 2023-09-01 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-41627 is rated Moderate Risk (53.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.24%). Core evidence: EPSS rose +1.03% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-41627

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.21% 1.24% +1.03%
2 2025-03-30 0.25% 0.21% -0.04%
3 2025-03-29 0.25%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-41627

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2023-41627

Affected software / configurations for CVE-2023-41627

Vendor Product Version Raw CPE
o-ran-sc ric_message_router 4.9.0 cpe:2.3:a:o-ran-sc:ric_message_router:4.9.0:*:*:*:*:*:*:*

References for CVE-2023-41627

cvelogic Threat Intelligence