How severe is CVE-2022-30034?

CVE-2022-30034 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.

Is CVE-2022-30034 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-30034?

CVE-2022-30034 affects Flower Project Flower. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-30034?

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-2022-30034 published?

CVE-2022-30034 was published on 2022-06-02 and last updated on 2026-07-09.

CVE-2022-30034

CVE-2022-30034 is a high-severity vulnerability in Flower Project Flower with a CVSS 3.x base score of 8.6. 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-287.

Key facts

Severity: High (CVSS 3.x base score 8.6)
CVSS v2: 7.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Flower Project Flower
Published: 2022-06-02
Last modified: 2026-07-09

Description

Flower, a web UI for the Celery Python RPC framework, all versions as of 05-02-2022 is vulnerable to an OAuth authentication bypass. An attacker could then access the Flower API to discover and invoke arbitrary Celery RPC calls or deny service by shutting down Celery task nodes.

Frequently asked questions

What is CVE-2022-30034?: Flower, a web UI for the Celery Python RPC framework, all versions as of 05-02-2022 is vulnerable to an OAuth authentication bypass. An attacker could then access the Flower API to discover and invoke arbitrary Celery RPC calls or deny service by shutting down Celery task nodes.
How severe is CVE-2022-30034?: CVE-2022-30034 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.
Is CVE-2022-30034 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-30034?: CVE-2022-30034 affects Flower Project Flower. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-30034?: 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-2022-30034 published?: CVE-2022-30034 was published on 2022-06-02 and last updated on 2026-07-09.

References

Affected products (1)

cpe:2.3:a:flower_project:flower:*:*:*:*:*:*:*:*

More vulnerabilities in Flower Project Flower

CVE-2019-16926 — Medium (CVSS 6.1): Flower 0.9.3 has XSS via a crafted worker name. NOTE: The project author stated that he doesn't think this is a valid…
CVE-2019-16925 — Medium (CVSS 6.1): Flower 0.9.3 has XSS via the name parameter in an @app.task call. NOTE: The project author stated that he doesn't think…

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Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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