How severe is CVE-2023-45886?

CVE-2023-45886 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-2023-45886 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-45886?

CVE-2023-45886 primarily affects F5 Big-ip Next. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-45886?

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-2023-45886 published?

CVE-2023-45886 was published on 2023-11-21 and last updated on 2026-06-17.

CVE-2023-45886

CVE-2023-45886 is a high-severity vulnerability in F5 Big-ip Next 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.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: F5 Big-ip Next
Published: 2023-11-21
Last modified: 2026-06-17

Description

The BGP daemon (bgpd) in IP Infusion ZebOS through 7.10.6 allow remote attackers to cause a denial of service by sending crafted BGP update messages containing a malformed attribute.

Frequently asked questions

What is CVE-2023-45886?: The BGP daemon (bgpd) in IP Infusion ZebOS through 7.10.6 allow remote attackers to cause a denial of service by sending crafted BGP update messages containing a malformed attribute.
How severe is CVE-2023-45886?: CVE-2023-45886 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-2023-45886 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-45886?: CVE-2023-45886 primarily affects F5 Big-ip Next. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-45886?: 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-2023-45886 published?: CVE-2023-45886 was published on 2023-11-21 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:f5:big-ip_next:20.0.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_next_service_proxy_for_kubernetes:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:ipinfusion:zebos:*:*:*:*:*:*:*:*

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