How severe is CVE-2021-32848?

CVE-2021-32848 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 none, and availability high.

Is CVE-2021-32848 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32848?

CVE-2021-32848 affects Octobox Project Octobox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32848?

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-2021-32848 published?

CVE-2021-32848 was published on 2023-02-20 and last updated on 2026-06-17.

CVE-2021-32848

CVE-2021-32848 is a high-severity vulnerability in Octobox Project Octobox 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-1333.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1333
Affected product: Octobox Project Octobox
Published: 2023-02-20
Last modified: 2026-06-17

Description

Octobox is software for managing GitHub notifications. Prior to pull request (PR) 2807, a user of the system can provide a specifically crafted search query string that will trigger a ReDoS vulnerability. This issue is fixed in PR 2807.

Frequently asked questions

What is CVE-2021-32848?: Octobox is software for managing GitHub notifications. Prior to pull request (PR) 2807, a user of the system can provide a specifically crafted search query string that will trigger a ReDoS vulnerability. This issue is fixed in PR 2807.
How severe is CVE-2021-32848?: CVE-2021-32848 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 none, and availability high.
Is CVE-2021-32848 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32848?: CVE-2021-32848 affects Octobox Project Octobox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32848?: 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-2021-32848 published?: CVE-2021-32848 was published on 2023-02-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:octobox_project:octobox:*:*:*:*:*:*:*:*

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