CVE-2020-5869
In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization is not secure by TLS and may allow...
In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization is not secure by TLS and may allow on-path attackers to read / modify confidential data in transit.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization is not secure by TLS and may allow on-path attackers to read / modify confidential data in transit.
- Record
CVE-2020-5869- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:P/A:N - Weakness
- CWE-924
- Updated
- 2026-11-02
CVE List No score
In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization is not secure by TLS and may allow on-path attackers to read / modify confidential data in transit.
- Record
CVE-2020-5869- Updated
- 2026-11-02
EUVDEUVD-2020-27023 No score
In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization is not secure by TLS and may allow on-path attackers to read / modify confidential data in transit.
- Record
EUVD-2020-27023- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3rjh-fcp5-cg7v No score
In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization is not secure by TLS and may allow...
In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization is not secure by TLS and may allow on-path attackers to read / modify confidential data in transit.
- Record
GHSA-3rjh-fcp5-cg7v- Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-5869 is a critical vulnerability (CVSS 9.1) in F5 Big-iq, published April 24, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.48%, the 42nd percentile. No source names a fixed version.