How severe is CVE-2021-45345?

CVE-2021-45345 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-45345 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45345?

CVE-2021-45345 affects Webcamserver Project Webcamserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45345?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-45345 published?

CVE-2021-45345 was published on 2023-05-10 and last updated on 2026-06-17.

CVE-2021-45345

CVE-2021-45345 is a high-severity vulnerability in Webcamserver Project Webcamserver with a CVSS 3.x base score of 7.5. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Webcamserver Project Webcamserver
Published: 2023-05-10
Last modified: 2026-06-17

Description

Buffer Overflow vulnerability found in En3rgy WebcamServer v.0.5.2 allows a remote attacker to cause a denial of service via the WebcamServer.exe file.

Frequently asked questions

What is CVE-2021-45345?: Buffer Overflow vulnerability found in En3rgy WebcamServer v.0.5.2 allows a remote attacker to cause a denial of service via the WebcamServer.exe file.
How severe is CVE-2021-45345?: CVE-2021-45345 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-45345 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45345?: CVE-2021-45345 affects Webcamserver Project Webcamserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45345?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-45345 published?: CVE-2021-45345 was published on 2023-05-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:webcamserver_project:webcamserver:*:*:*:*:*:*:*:*

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