How severe is CVE-2021-43494?

CVE-2021-43494 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 high, integrity none, and availability none.

Is CVE-2021-43494 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43494?

CVE-2021-43494 affects Codingforentrepreneurs Opencv Rest Api. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43494?

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-2021-43494 published?

CVE-2021-43494 was published on 2021-11-12 and last updated on 2026-06-17.

CVE-2021-43494

CVE-2021-43494 is a high-severity vulnerability in Codingforentrepreneurs Opencv Rest Api 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Codingforentrepreneurs Opencv Rest Api
Published: 2021-11-12
Last modified: 2026-06-17

Description

OpenCV-REST-API master branch as of commit 69be158c05d4dd5a4aff38fdc680a162dd6b9e49 is affected by a directory traversal vulnerability. This attack can cause the disclosure of critical secrets stored anywhere on the system and can significantly aid in getting remote code access.

Frequently asked questions

What is CVE-2021-43494?: OpenCV-REST-API master branch as of commit 69be158c05d4dd5a4aff38fdc680a162dd6b9e49 is affected by a directory traversal vulnerability. This attack can cause the disclosure of critical secrets stored anywhere on the system and can significantly aid in getting remote code access.
How severe is CVE-2021-43494?: CVE-2021-43494 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 high, integrity none, and availability none.
Is CVE-2021-43494 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43494?: CVE-2021-43494 affects Codingforentrepreneurs Opencv Rest Api. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43494?: 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-2021-43494 published?: CVE-2021-43494 was published on 2021-11-12 and last updated on 2026-06-17.

References

https://github.com/codingforentrepreneurs/OpenCV-REST-API/issues/2

Affected products (1)

cpe:2.3:a:codingforentrepreneurs:opencv_rest_api:2020-01-24:*:*:*:*:*:*:*

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