How severe is CVE-2022-31561?

CVE-2022-31561 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.

Is CVE-2022-31561 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-31561?

CVE-2022-31561 affects Sphere Imagebackend Project Sphere Imagebackend. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-31561?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-31561 published?

CVE-2022-31561 was published on 2022-07-11 and last updated on 2026-06-17.

CVE-2022-31561

CVE-2022-31561 is a critical-severity vulnerability in Sphere Imagebackend Project Sphere Imagebackend with a CVSS 3.x base score of 9.3. 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.3)
CVSS v2: 6.4
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Sphere Imagebackend Project Sphere Imagebackend
Published: 2022-07-11
Last modified: 2026-06-17

Description

The varijkapil13/Sphere_ImageBackend repository through 2019-10-03 on GitHub allows absolute path traversal because the Flask send_file function is used unsafely.

Frequently asked questions

What is CVE-2022-31561?: The varijkapil13/Sphere_ImageBackend repository through 2019-10-03 on GitHub allows absolute path traversal because the Flask send_file function is used unsafely.
How severe is CVE-2022-31561?: CVE-2022-31561 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.
Is CVE-2022-31561 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-31561?: CVE-2022-31561 affects Sphere Imagebackend Project Sphere Imagebackend. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-31561?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-31561 published?: CVE-2022-31561 was published on 2022-07-11 and last updated on 2026-06-17.

References

https://github.com/github/securitylab/issues/669#issuecomment-1117265726

Affected products (1)

cpe:2.3:a:sphere_imagebackend_project:sphere_imagebackend:*:*:*:*:*:*:*:*

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