How severe is CVE-2022-33913?

CVE-2022-33913 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-2022-33913 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-33913?

CVE-2022-33913 primarily affects Mahara. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-33913?

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-2022-33913 published?

CVE-2022-33913 was published on 2022-06-20 and last updated on 2026-06-17.

CVE-2022-33913

CVE-2022-33913 is a high-severity vulnerability in Mahara 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-862.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Mahara
Published: 2022-06-20
Last modified: 2026-06-17

Description

In Mahara 21.04 before 21.04.6, 21.10 before 21.10.4, and 22.04.2, files can sometimes be downloaded through thumb.php with no permission check.

Frequently asked questions

What is CVE-2022-33913?: In Mahara 21.04 before 21.04.6, 21.10 before 21.10.4, and 22.04.2, files can sometimes be downloaded through thumb.php with no permission check.
How severe is CVE-2022-33913?: CVE-2022-33913 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-2022-33913 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-33913?: CVE-2022-33913 primarily affects Mahara. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-33913?: 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-2022-33913 published?: CVE-2022-33913 was published on 2022-06-20 and last updated on 2026-06-17.

References

https://mahara.org/interaction/forum/topic.php?id=9138

Affected products (2)

cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:22.04.2:*:*:*:*:*:*:*

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