How severe is CVE-2021-36333?

CVE-2021-36333 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-36333 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36333?

CVE-2021-36333 affects Dell Emc Cloud Link. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36333?

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

When was CVE-2021-36333 published?

CVE-2021-36333 was published on 2021-11-23 and last updated on 2026-06-17.

CVE-2021-36333

CVE-2021-36333 is a medium-severity vulnerability in Dell Emc Cloud Link with a CVSS 3.x base score of 5.5. 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: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Dell Emc Cloud Link
Published: 2021-11-23
Last modified: 2026-06-17

Description

Dell EMC CloudLink 7.1 and all prior versions contain a Buffer Overflow Vulnerability. A local low privileged attacker, may potentially exploit this vulnerability, leading to an application crash.

Frequently asked questions

What is CVE-2021-36333?: Dell EMC CloudLink 7.1 and all prior versions contain a Buffer Overflow Vulnerability. A local low privileged attacker, may potentially exploit this vulnerability, leading to an application crash.
How severe is CVE-2021-36333?: CVE-2021-36333 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-36333 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36333?: CVE-2021-36333 affects Dell Emc Cloud Link. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36333?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-36333 published?: CVE-2021-36333 was published on 2021-11-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:dell:emc_cloud_link:*:*:*:*:*:*:*:*

Other CWE-120 (Classic Buffer Overflow) vulnerabilities

CVE-2025-48611 — Critical (CVSS 10.0): In DeviceId of DeviceId.java, there is a possible desync in persistence due to a missing bounds check. This could lead…
CVE-2026-24823 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in FASTSHIFT…
CVE-2026-24810 — Critical (CVSS 10.0): Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in rethinkdb (src/cjson modules).…
CVE-2026-24800 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow…
CVE-2025-9962 — Critical (CVSS 10.0): A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior…
CVE-2010-10016 — Critical (CVSS 10.0): BS.Player version 2.57 (build 1051) contains a vulnerability in its playlist import functionality. When processing .m3u…

Browse all CWE-120 (Classic Buffer Overflow) vulnerabilities →