How severe is CVE-2023-22890?

CVE-2023-22890 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-2023-22890 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22890?

CVE-2023-22890 affects Smartbear Zephyr Enterprise. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-22890?

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-2023-22890 published?

CVE-2023-22890 was published on 2023-03-08 and last updated on 2026-06-17.

CVE-2023-22890

CVE-2023-22890 is a high-severity vulnerability in Smartbear Zephyr Enterprise 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-434.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Smartbear Zephyr Enterprise
Published: 2023-03-08
Last modified: 2026-06-17

Description

SmartBear Zephyr Enterprise through 7.15.0 allows unauthenticated users to upload large files, which could exhaust the local drive space, causing a denial of service condition.

Frequently asked questions

What is CVE-2023-22890?: SmartBear Zephyr Enterprise through 7.15.0 allows unauthenticated users to upload large files, which could exhaust the local drive space, causing a denial of service condition.
How severe is CVE-2023-22890?: CVE-2023-22890 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-2023-22890 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22890?: CVE-2023-22890 affects Smartbear Zephyr Enterprise. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-22890?: 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-2023-22890 published?: CVE-2023-22890 was published on 2023-03-08 and last updated on 2026-06-17.

References

https://smartbear.com/security/cve/

Affected products (1)

cpe:2.3:a:smartbear:zephyr_enterprise:*:*:*:*:*:*:*:*

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