How severe is CVE-2021-44230?

CVE-2021-44230 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-44230 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44230?

CVE-2021-44230 affects Portswigger Burp Suite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44230?

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

When was CVE-2021-44230 published?

CVE-2021-44230 was published on 2021-11-30 and last updated on 2026-06-17.

CVE-2021-44230

CVE-2021-44230 is a medium-severity vulnerability in Portswigger Burp Suite 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-732.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Portswigger Burp Suite
Published: 2021-11-30
Last modified: 2026-06-17

Description

PortSwigger Burp Suite Enterprise Edition before 2021.11 on Windows has weak file permissions for the embedded H2 database, which might lead to privilege escalation. This issue can be exploited by an adversary who has already compromised a valid Windows account on the server via separate means. In this scenario, the compromised account may have inherited read access to sensitive configuration, database, and log files.

Frequently asked questions

What is CVE-2021-44230?: PortSwigger Burp Suite Enterprise Edition before 2021.11 on Windows has weak file permissions for the embedded H2 database, which might lead to privilege escalation. This issue can be exploited by an adversary who has already compromised a valid Windows account on the server via separate means. In this scenario, the compromised account may have inherited read access to sensitive configuration, database, and log files.
How severe is CVE-2021-44230?: CVE-2021-44230 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-44230 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44230?: CVE-2021-44230 affects Portswigger Burp Suite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44230?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-44230 published?: CVE-2021-44230 was published on 2021-11-30 and last updated on 2026-06-17.

References

https://portswigger.net/burp/releases/enterprise-edition-2021-11?requestededition=enterprise

Affected products (1)

cpe:2.3:a:portswigger:burp_suite:*:*:*:*:enterprise:*:*:*

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