How severe is CVE-2021-36800?

CVE-2021-36800 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2021-36800 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36800?

CVE-2021-36800 affects Akaunting. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36800?

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-2021-36800 published?

CVE-2021-36800 was published on 2021-08-04 and last updated on 2026-06-17.

CVE-2021-36800

CVE-2021-36800 is a high-severity vulnerability in Akaunting with a CVSS 3.x base score of 8.7. 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-94.

Key facts

Severity: High (CVSS 3.x base score 8.7)
CVSS v2: 9.0
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Akaunting
Published: 2021-08-04
Last modified: 2026-06-17

Description

Akaunting version 2.1.12 and earlier suffers from a code injection issue in the Money.php component of the application. A POST sent to /{company_id}/sales/invoices/{invoice_id} with an items[0][price] that includes a PHP callable function is executed directly. This issue was fixed in version 2.1.13 of the product.

Frequently asked questions

What is CVE-2021-36800?: Akaunting version 2.1.12 and earlier suffers from a code injection issue in the Money.php component of the application. A POST sent to /{company_id}/sales/invoices/{invoice_id} with an items[0][price] that includes a PHP callable function is executed directly. This issue was fixed in version 2.1.13 of the product.
How severe is CVE-2021-36800?: CVE-2021-36800 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-36800 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36800?: CVE-2021-36800 affects Akaunting. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36800?: 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-2021-36800 published?: CVE-2021-36800 was published on 2021-08-04 and last updated on 2026-06-17.

References

https://www.rapid7.com/blog/post/2021/07/27/multiple-open-source-web-app-vulnerabilities-fixed/

Affected products (1)

cpe:2.3:a:akaunting:akaunting:*:*:*:*:*:*:*:*

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