How severe is CVE-2022-27495?

CVE-2022-27495 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2022-27495 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-27495?

CVE-2022-27495 primarily affects F5 Nginx Service Mesh. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-27495?

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

When was CVE-2022-27495 published?

CVE-2022-27495 was published on 2022-05-05 and last updated on 2026-06-17.

CVE-2022-27495

CVE-2022-27495 is a medium-severity vulnerability in F5 Nginx Service Mesh with a CVSS 3.x base score of 6.5. 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-306.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.3
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: F5 Nginx Service Mesh
Published: 2022-05-05
Last modified: 2026-06-17

Description

On all versions 1.3.x (fixed in 1.4.0) NGINX Service Mesh control plane endpoints are exposed to the cluster overlay network. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Frequently asked questions

What is CVE-2022-27495?: On all versions 1.3.x (fixed in 1.4.0) NGINX Service Mesh control plane endpoints are exposed to the cluster overlay network. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
How severe is CVE-2022-27495?: CVE-2022-27495 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2022-27495 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-27495?: CVE-2022-27495 primarily affects F5 Nginx Service Mesh. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-27495?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-27495 published?: CVE-2022-27495 was published on 2022-05-05 and last updated on 2026-06-17.

References

https://support.f5.com/csp/article/K94093538

Affected products (2)

cpe:2.3:a:f5:nginx_service_mesh:1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:nginx_service_mesh:1.3.1:*:*:*:*:*:*:*

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