How severe is CVE-2021-29349?

CVE-2021-29349 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-29349 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29349?

CVE-2021-29349 affects Mahara. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-29349?

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

When was CVE-2021-29349 published?

CVE-2021-29349 was published on 2021-03-31 and last updated on 2026-06-17.

CVE-2021-29349

CVE-2021-29349 is a medium-severity vulnerability in Mahara with a CVSS 3.x base score of 6.5. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Mahara
Published: 2021-03-31
Last modified: 2026-06-17

Description

Mahara 20.10 is affected by Cross Site Request Forgery (CSRF) that allows a remote attacker to remove inbox-mail on the server. The application fails to validate the CSRF token for a POST request. An attacker can craft a module/multirecipientnotification/inbox.php pieform_delete_all_notifications request, which leads to removing all messages from a mailbox.

Frequently asked questions

What is CVE-2021-29349?: Mahara 20.10 is affected by Cross Site Request Forgery (CSRF) that allows a remote attacker to remove inbox-mail on the server. The application fails to validate the CSRF token for a POST request. An attacker can craft a module/multirecipientnotification/inbox.php pieform_delete_all_notifications request, which leads to removing all messages from a mailbox.
How severe is CVE-2021-29349?: CVE-2021-29349 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-29349 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29349?: CVE-2021-29349 affects Mahara. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-29349?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-29349 published?: CVE-2021-29349 was published on 2021-03-31 and last updated on 2026-06-17.

References

https://github.com/0xBaz/CVE-2021-29349/issues/1

Affected products (1)

cpe:2.3:a:mahara:mahara:20.10:*:*:*:*:*:*:*

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