What is the CVSS score of CVE-2020-9091?

CVE-2020-9091 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.2%.

Taurus An00B Firmware CVE-2020-9091

MEDIUM

Out-of-bounds Read (CWE-125)

2020-10-12 psirt@huawei.com

Buffer Overflow Information Disclosure Taurus An00B Firmware

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Oct 12, 2020 - 14:15 nvd

MEDIUM 5.5

DescriptionNVD

Taurus-AN00B versions earlier than 10.1.0.156(C00E155R7P2) have an out-of-bounds read and write vulnerability. Some functions do not verify inputs sufficiently. Attackers can exploit this vulnerability by sending specific request. This could compromise normal service of the affected device.

AnalysisAI

Taurus-AN00B versions earlier than 10.1.0.156(C00E155R7P2) have an out-of-bounds read and write vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. Taurus-AN00B versions earlier than 10.1.0.156(C00E155R7P2) have an out-of-bounds read and write vulnerability. Some functions do not verify inputs sufficiently. Attackers can exploit this vulnerability by sending specific request. This could compromise normal service of the affected device. Affected products include: Huawei Taurus-An00B Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.