How severe is CVE-2022-33947?

CVE-2022-33947 has a CVSS 3.x base score of 5.4, 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 low, and availability low.

Is CVE-2022-33947 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-33947?

CVE-2022-33947 affects F5 Big-ip Domain Name System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-33947?

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

When was CVE-2022-33947 published?

CVE-2022-33947 was published on 2022-08-04 and last updated on 2026-06-17.

CVE-2022-33947

CVE-2022-33947 is a medium-severity vulnerability in F5 Big-ip Domain Name System with a CVSS 3.x base score of 5.4. 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-502.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: F5 Big-ip Domain Name System
Published: 2022-08-04
Last modified: 2026-06-17

Description

In BIG-IP Versions 16.1.x before 16.1.3, 15.1.x before 15.1.6.1, 14.1.x before 14.1.5, and all versions of 13.1.x, a vulnerability exists in undisclosed pages of the BIG-IP DNS Traffic Management User Interface (TMUI) that allows an authenticated attacker with at least operator role privileges to cause the Tomcat process to restart and perform unauthorized DNS requests and operations through undisclosed requests. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Frequently asked questions

What is CVE-2022-33947?: In BIG-IP Versions 16.1.x before 16.1.3, 15.1.x before 15.1.6.1, 14.1.x before 14.1.5, and all versions of 13.1.x, a vulnerability exists in undisclosed pages of the BIG-IP DNS Traffic Management User Interface (TMUI) that allows an authenticated attacker with at least operator role privileges to cause the Tomcat process to restart and perform unauthorized DNS requests and operations through undisclosed requests. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
How severe is CVE-2022-33947?: CVE-2022-33947 has a CVSS 3.x base score of 5.4, 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 low, and availability low.
Is CVE-2022-33947 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-33947?: CVE-2022-33947 affects F5 Big-ip Domain Name System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-33947?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-33947 published?: CVE-2022-33947 was published on 2022-08-04 and last updated on 2026-06-17.

References

https://support.f5.com/csp/article/K38893457

Affected products (1)

cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*

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