What is CVE-2023-38120?

CVE-2023-38120 is a high-severity vulnerability in Adtran Sr400ac, classified under OS Command Injection. CVSS score: 8.8/10. Published 2024-05-03.

How severe is CVE-2023-38120?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2023-38120 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Adtran Sr400ac

CVE-2023-38120

Adtran SR400ac ping Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adtran SR400ac routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the ping command, which is available over JSON-RPC. A crafted host parameter can trigger execution of a system call composed from a user-supplied string. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-20525.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.032 (86.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Adtran Sr400ac — versions 10.8.8.1 & 10.8.5.1
Adtran Sr400ac_firmware — versions 10.8.5.1, 10.8.8.1

Weakness classification (CWE)

Public proof-of-concept exploits

References

zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2023-38120?: CVE-2023-38120 is a high-severity vulnerability in Adtran Sr400ac, classified under OS Command Injection. CVSS score: 8.8/10. Published 2024-05-03.
How severe is CVE-2023-38120?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2023-38120 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.