How severe is CVE-2021-36340?

CVE-2021-36340 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-36340 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36340?

CVE-2021-36340 primarily affects Dell Secure Connect Gateway. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-36340?

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-2021-36340 published?

CVE-2021-36340 was published on 2021-11-20 and last updated on 2026-06-17.

CVE-2021-36340

CVE-2021-36340 is a high-severity vulnerability in Dell Secure Connect Gateway with a CVSS 3.x base score of 7.8. 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-532.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 2.1
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-532
Affected product: Dell Secure Connect Gateway
Published: 2021-11-20
Last modified: 2026-06-17

Description

Dell EMC SCG 5.00.00.10 and earlier, contain a sensitive information disclosure vulnerability. A local malicious user may exploit this vulnerability to read sensitive information and use it.

Frequently asked questions

What is CVE-2021-36340?: Dell EMC SCG 5.00.00.10 and earlier, contain a sensitive information disclosure vulnerability. A local malicious user may exploit this vulnerability to read sensitive information and use it.
How severe is CVE-2021-36340?: CVE-2021-36340 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-36340 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36340?: CVE-2021-36340 primarily affects Dell Secure Connect Gateway. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-36340?: 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-2021-36340 published?: CVE-2021-36340 was published on 2021-11-20 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000193601/dsa-2021-245-dell-emc-secure-connect-gateway-security-update-for-multiple-vulnerabilities

Affected products (2)

cpe:2.3:a:dell:secure_connect_gateway:3.52.10.08:*:*:*:virtual:*:*:*
cpe:2.3:a:dell:secure_connect_gateway:5.00.00.10:*:*:*:virtual:*:*:*

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