What is the CVSS score of CVE-2019-3423?

CVE-2019-3423 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 1.3%.

C520V21 Firmware CVE-2019-3423

MEDIUM

Path Traversal (CWE-22)

2019-11-18 psirt@zte.com.cn

Path Traversal C520V21 Firmware

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

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

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:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Nov 18, 2019 - 19:15 nvd

MEDIUM 5.3

DescriptionNVD

permission and access control vulnerability, which exists in V2.1.14 and below versions of C520V21 smart camera devices. An attacker can construct a URL for directory traversal and access to other unauthorized files or resources.

AnalysisAI

permission and access control vulnerability, which exists in V2.1.14 and below versions of C520V21 smart camera devices. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. 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. permission and access control vulnerability, which exists in V2.1.14 and below versions of C520V21 smart camera devices. An attacker can construct a URL for directory traversal and access to other unauthorized files or resources. Affected products include: Ztehome C520V21 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.