What is the CVSS score of CVE-2022-27277?

CVE-2022-27277 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H. EPSS exploitation probability: 1.4%.

Is there a public PoC exploit available for CVE-2022-27277?

Yes, a public proof-of-concept exploit is available for CVE-2022-27277. Prioritise patching immediately. EPSS: 1.4%.

Inrouter 900 Firmware CVE-2022-27277

CRITICAL

Path Traversal (CWE-22)

2022-04-10 cve@mitre.org

Path Traversal Inrouter 900 Firmware

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Apr 10, 2022 - 21:15 nvd

CRITICAL 9.1

DescriptionNVD

InHand Networks InRouter 900 Industrial 4G Router before v1.0.0.r11700 was discovered to contain an arbitrary file deletion vulnerability via the function sub_17C08.

AnalysisAI

InHand Networks InRouter 900 Industrial 4G Router before v1.0.0.r11700 was discovered to contain an arbitrary file deletion vulnerability via the function sub_17C08. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. InHand Networks InRouter 900 Industrial 4G Router before v1.0.0.r11700 was discovered to contain an arbitrary file deletion vulnerability via the function sub_17C08. Affected products include: Inhandnetworks Inrouter 900 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.