Missing authentication in BIG-IQ
Priority LOW 36CWE-306Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.
Summary
In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization mechanisms do not use any form of authentication for connecting to the peer.
Why it matters now
EPSS 0.00523 44th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | BIG-IQ | 5.2.0-7.0.0 | — | No fix listed | CNA |
- BIG-IQ Vendor— Affected 5.2.0-7.0.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-iq_centralized_management:*:*:*:*:*:*:*:* | 5.2.0 – 5.4.0; 6.0.0 – 6.1.0; 7.0.0 to before 7.1.0 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-iq_centralized_management:*:*:*:*:*:*:*:* Versions 5.2.0 – 5.4.0; 6.0.0 – 6.1.0; 7.0.0 to before 7.1.0 Vulnerable ·F5
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5870
- 2026-10-03 Alias added: GHSA-56mf-pgq9-8ccj
References
More F5 Big-iq Centralized Management vulnerabilities
- TI-2021-05845 Server-side request forgery in BIG-IP; BIG-IQ KEVCVSS 3.1CRITICAL 9.8
- TI-2018-10499 Integer overflow in backstage kernel KEVCVSS 3.0HIGH 7.8
- TI-2022-20025 iControl SOAP vulnerability CVSS 3.1HIGH 8.8
- TI-2014-00189 The n_tty_write function in drivers/tty/n_tty.c in the Linux kernel through 3.14.3 does… KEVCVSS 3.1MEDIUM 5.5
- TI-2019-08571 Resource allocation without limits in Linux kernel CVSS 3.1HIGH 7.5
- TI-2002-02356 The Diffie-Hellman Key Agreement Protocol allows remote attackers (from the client side)… CVSS 3.1HIGH 7.5
Sources
- CVE-2020-5870 · CVE Program
- CVE-2020-5870 · NVD
- FIRST EPSS
- GHSA-56mf-pgq9-8ccj · GitHub Advisory Database · CC BY 4.0
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