How severe is CVE-2018-5526?

CVE-2018-5526 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-5526 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5526?

CVE-2018-5526 affects F5 Big-ip Application Security Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-5526?

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

When was CVE-2018-5526 published?

CVE-2018-5526 was published on 2018-06-01 and last updated on 2026-06-17.

CVE-2018-5526

CVE-2018-5526 is a medium-severity vulnerability in F5 Big-ip Application Security Manager 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.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: F5 Big-ip Application Security Manager
Published: 2018-06-01
Last modified: 2026-06-17

Description

Under certain conditions, on F5 BIG-IP ASM 13.1.0-13.1.0.5, Behavioral DOS (BADOS) protection may fail during an attack.

Frequently asked questions

What is CVE-2018-5526?: Under certain conditions, on F5 BIG-IP ASM 13.1.0-13.1.0.5, Behavioral DOS (BADOS) protection may fail during an attack.
How severe is CVE-2018-5526?: CVE-2018-5526 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-5526 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5526?: CVE-2018-5526 affects F5 Big-ip Application Security Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-5526?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-5526 published?: CVE-2018-5526 was published on 2018-06-01 and last updated on 2026-06-17.

References

Affected products (1)

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

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