What is the CVSS score of CVE-2020-8958?

CVE-2020-8958 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 46.6%.

Is there a public PoC exploit available for CVE-2020-8958?

Yes, a public proof-of-concept exploit is available for CVE-2020-8958. Prioritise patching immediately. EPSS: 46.6%.

1Ge Router Wifi Onu V2801Rw Firmware CVE-2020-8958

HIGH

OS Command Injection (CWE-78)

2020-07-15 cve@mitre.org

Command Injection 1Ge Router Wifi Onu V2801Rw Firmware 1Ge 3Fe Wifi Onu V2804Rgw Firmware

7.2

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.2 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 15, 2020 - 21:15 nvd

HIGH 7.2

DescriptionNVD

AnalysisAI

Guangzhou 1GE ONU V2801RW 1.9.1-181203 through 2.9.0-181024 and V2804RGW 1.9.1-181203 through 2.9.0-181024 devices allow remote attackers to execute arbitrary OS commands via shell metacharacters in. Rated high severity (CVSS 7.2), 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. Guangzhou 1GE ONU V2801RW 1.9.1-181203 through 2.9.0-181024 and V2804RGW 1.9.1-181203 through 2.9.0-181024 devices allow remote attackers to execute arbitrary OS commands via shell metacharacters in the boaform/admin/formPing Dest IP Address field. Affected products include: Gpononu 1Ge Router Wifi Onu V2801Rw Firmware, Gpononu 1Ge\+3Fe\+Wifi Onu V2804Rgw Firmware. Version information: through 2.9.0.

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.