What is the CVSS score of CVE-2021-45783?

CVE-2021-45783 has a CVSS 3.1 base score of 4.6 (Medium). CVSS vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 1.9%.

Is there a public PoC exploit available for CVE-2021-45783?

Yes, a public proof-of-concept exploit is available for CVE-2021-45783. Prioritise patching immediately. EPSS: 1.9%.

Notea Firmware CVE-2021-45783

MEDIUM

Path Traversal (CWE-22)

2022-05-05 cve@mitre.org

Path Traversal Notea Firmware

4.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.6 MEDIUM

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

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

May 05, 2022 - 11:15 nvd

MEDIUM 4.6

DescriptionNVD

Bookeen Notea Firmware BK_R_1.0.5_20210608 is affected by a directory traversal vulnerability that allows an attacker to obtain sensitive information.

AnalysisAI

Bookeen Notea Firmware BK_R_1.0.5_20210608 is affected by a directory traversal vulnerability that allows an attacker to obtain sensitive information. Rated medium severity (CVSS 4.6), this vulnerability is 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. Bookeen Notea Firmware BK_R_1.0.5_20210608 is affected by a directory traversal vulnerability that allows an attacker to obtain sensitive information. Affected products include: Bookeen Notea 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.