How severe is CVE-2021-45783?

CVE-2021-45783 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-45783 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45783?

CVE-2021-45783 affects Bookeen Notea Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45783?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-45783 published?

CVE-2021-45783 was published on 2022-05-05 and last updated on 2026-07-05.

CVE-2021-45783

CVE-2021-45783 is a medium-severity vulnerability in Bookeen Notea Firmware with a CVSS 3.x base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
CVSS v2: 2.1
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Bookeen Notea Firmware
Published: 2022-05-05
Last modified: 2026-07-05

Description

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

Frequently asked questions

What is CVE-2021-45783?: Bookeen Notea Firmware BK_R_1.0.5_20210608 is affected by a directory traversal vulnerability that allows an attacker to obtain sensitive information.
How severe is CVE-2021-45783?: CVE-2021-45783 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-45783 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45783?: CVE-2021-45783 affects Bookeen Notea Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45783?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-45783 published?: CVE-2021-45783 was published on 2022-05-05 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:o:bookeen:notea_firmware:bk_r_1.0.5_20210608:*:*:*:*:*:*:*

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