How severe is CVE-2021-41421?

CVE-2021-41421 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-41421 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41421?

CVE-2021-41421 affects Maianmedia Maianaffiliate. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-41421?

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

When was CVE-2021-41421 published?

CVE-2021-41421 was published on 2022-06-16 and last updated on 2026-06-17.

CVE-2021-41421

CVE-2021-41421 is a medium-severity vulnerability in Maianmedia Maianaffiliate with a CVSS 3.x base score of 4.8. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Maianmedia Maianaffiliate
Published: 2022-06-16
Last modified: 2026-06-17

Description

A PHP code injection vulnerability in MaianAffiliate v.1.0 allows an authenticated attacker to gain RCE through the MaianAffiliate admin panel.

Frequently asked questions

What is CVE-2021-41421?: A PHP code injection vulnerability in MaianAffiliate v.1.0 allows an authenticated attacker to gain RCE through the MaianAffiliate admin panel.
How severe is CVE-2021-41421?: CVE-2021-41421 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-41421 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41421?: CVE-2021-41421 affects Maianmedia Maianaffiliate. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41421?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-41421 published?: CVE-2021-41421 was published on 2022-06-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:maianmedia:maianaffiliate:1.0:*:*:*:*:*:*:*

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CVE-2021-39402 — High (CVSS 7.2): MaianAffiliate v.1.0 is suffers from code injection by adding a new product via the admin panel. The injected payload…
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