What is the CVSS score of CVE-2023-27380?

CVE-2023-27380 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 5.7%.

Is there a public PoC exploit available for CVE-2023-27380?

Yes, a public proof-of-concept exploit is available for CVE-2023-27380. Prioritise patching immediately. EPSS: 5.7%.

Surf Soho Firmware CVE-2023-27380

HIGH

OS Command Injection (CWE-78)

2023-10-11 talos-cna@cisco.com

Command Injection Surf Soho Firmware

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 11, 2023 - 16:15 nvd

HIGH 8.8

DescriptionNVD

An OS command injection vulnerability exists in the admin.cgi USSD_send functionality of peplink Surf SOHO HW1 v6.3.5 (in QEMU). A specially crafted HTTP request can lead to command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

AnalysisAI

An OS command injection vulnerability exists in the admin.cgi USSD_send functionality of peplink Surf SOHO HW1 v6.3.5 (in QEMU). Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. An OS command injection vulnerability exists in the admin.cgi USSD_send functionality of peplink Surf SOHO HW1 v6.3.5 (in QEMU). A specially crafted HTTP request can lead to command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability. Affected products include: Peplink Surf Soho Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.