How severe is CVE-2022-23026?

CVE-2022-23026 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2022-23026 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-23026?

CVE-2022-23026 primarily affects F5 Big-ip Advanced Web Application Firewall. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-23026?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-23026 published?

CVE-2022-23026 was published on 2022-01-25 and last updated on 2026-06-17.

CVE-2022-23026

CVE-2022-23026 is a medium-severity vulnerability in F5 Big-ip Advanced Web Application Firewall with a CVSS 3.x base score of 4.3. 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-434.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: F5 Big-ip Advanced Web Application Firewall
Published: 2022-01-25
Last modified: 2026-06-17

Description

On BIG-IP ASM & Advanced WAF version 16.1.x before 16.1.2, 15.1.x before 15.1.4.1, 14.1.x before 14.1.4.5, and all versions of 13.1.x and 12.1.x, an authenticated user with low privileges, such as a guest, can upload data using an undisclosed REST endpoint causing an increase in disk resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Frequently asked questions

What is CVE-2022-23026?: On BIG-IP ASM & Advanced WAF version 16.1.x before 16.1.2, 15.1.x before 15.1.4.1, 14.1.x before 14.1.4.5, and all versions of 13.1.x and 12.1.x, an authenticated user with low privileges, such as a guest, can upload data using an undisclosed REST endpoint causing an increase in disk resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
How severe is CVE-2022-23026?: CVE-2022-23026 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2022-23026 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-23026?: CVE-2022-23026 primarily affects F5 Big-ip Advanced Web Application Firewall. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-23026?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-23026 published?: CVE-2022-23026 was published on 2022-01-25 and last updated on 2026-06-17.

References

https://support.f5.com/csp/article/K08402414

Affected products (2)

cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*

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