How severe is CVE-2021-33353?

CVE-2021-33353 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-33353 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33353?

CVE-2021-33353 affects Wyomind Help Desk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33353?

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

When was CVE-2021-33353 published?

CVE-2021-33353 was published on 2023-03-08 and last updated on 2026-06-17.

CVE-2021-33353

CVE-2021-33353 is a critical-severity vulnerability in Wyomind Help Desk with a CVSS 3.x base score of 9.8. 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Wyomind Help Desk
Published: 2023-03-08
Last modified: 2026-06-17

Description

Directory Traversal vulnerability in Wyomind Help Desk Magento 2 extension v.1.3.6 and before fixed in v.1.3.7 allows attacker to execute arbitrary code via the file attachment directory setting.

Frequently asked questions

What is CVE-2021-33353?: Directory Traversal vulnerability in Wyomind Help Desk Magento 2 extension v.1.3.6 and before fixed in v.1.3.7 allows attacker to execute arbitrary code via the file attachment directory setting.
How severe is CVE-2021-33353?: CVE-2021-33353 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-33353 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33353?: CVE-2021-33353 affects Wyomind Help Desk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33353?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-33353 published?: CVE-2021-33353 was published on 2023-03-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wyomind:help_desk:*:*:*:*:*:magento_2:*:*

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