What is the CVSS score of CVE-2021-21734?

CVE-2021-21734 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.5%.

Zxa10 F821 Firmware CVE-2021-21734

MEDIUM

Cleartext Storage of Sensitive Information (CWE-312)

2021-05-28 psirt@zte.com.cn

Zte Information Disclosure Zxa10 F821 Firmware Zxa10 F822 Firmware Zxa10 F819 Firmware Zxa10 F832 Firmware Zxa10 F839 Firmware Zxa10 F809 Firmware Zxa10 F822P Firmware Zxa10 F832V2 Firmware

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

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:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

May 28, 2021 - 12:15 nvd

MEDIUM 6.5

DescriptionNVD

Some PON MDU devices of ZTE stored sensitive information in plaintext, and users with login authority can obtain it by inputing command. This affects: ZTE PON MDU device ZXA10 F821 V1.7.0P3T22, ZXA10 F822 V1.4.3T6, ZXA10 F819 V1.2.1T5, ZXA10 F832 V1.1.1T7, ZXA10 F839 V1.1.0T8, ZXA10 F809 V3.2.1T1, ZXA10 F822P V1.1.1T7, ZXA10 F832 V2.00.00.01

AnalysisAI

Some PON MDU devices of ZTE stored sensitive information in plaintext, and users with login authority can obtain it by inputing command. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-312. Some PON MDU devices of ZTE stored sensitive information in plaintext, and users with login authority can obtain it by inputing command. This affects: ZTE PON MDU device ZXA10 F821 V1.7.0P3T22, ZXA10 F822 V1.4.3T6, ZXA10 F819 V1.2.1T5, ZXA10 F832 V1.1.1T7, ZXA10 F839 V1.1.0T8, ZXA10 F809 V3.2.1T1, ZXA10 F822P V1.1.1T7, ZXA10 F832 V2.00.00.01 Affected products include: Zte Zxa10 F821 Firmware, Zte Zxa10 F822 Firmware, Zte Zxa10 F819 Firmware, Zte Zxa10 F832 Firmware, Zte Zxa10 F839 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.