How severe is CVE-2019-13337?

CVE-2019-13337 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 none, integrity high, and availability none.

Is CVE-2019-13337 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-13337?

CVE-2019-13337 affects Weseek Growi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-13337?

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-2019-13337 published?

CVE-2019-13337 was published on 2019-07-09 and last updated on 2026-06-17.

CVE-2019-13337

CVE-2019-13337 is a high-severity vulnerability in Weseek Growi 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-639.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Affected product: Weseek Growi
Published: 2019-07-09
Last modified: 2026-06-17

Description

In WESEEK GROWI before 3.5.0, the site-wide basic authentication can be bypassed by adding a URL parameter access_token (this is the parameter used by the API). No valid token is required since it is not validated by the backend. The website can then be browsed as if no basic authentication is required.

Frequently asked questions

What is CVE-2019-13337?: In WESEEK GROWI before 3.5.0, the site-wide basic authentication can be bypassed by adding a URL parameter access_token (this is the parameter used by the API). No valid token is required since it is not validated by the backend. The website can then be browsed as if no basic authentication is required.
How severe is CVE-2019-13337?: CVE-2019-13337 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 none, integrity high, and availability none.
Is CVE-2019-13337 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-13337?: CVE-2019-13337 affects Weseek Growi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-13337?: 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-2019-13337 published?: CVE-2019-13337 was published on 2019-07-09 and last updated on 2026-06-17.

References

https://gist.github.com/polkaman/d039fb5236a043907e44efc198d9161c

Affected products (1)

cpe:2.3:a:weseek:growi:*:*:*:*:*:*:*:*

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