CVE-2020-5886 is a critical vulnerability affecting F5 BIG-IP systems across multiple versions (15.0.0-15.1.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, and 12.1.0-12.1.5.1) when configured for connection mirroring in a High Availability (HA) pair. The vulnerability allows sensitive cryptographic objects to be transferred over an insecure communication channel, specifically on the network used for connection mirroring. With a CVSS score of 9.1 (CRITICAL), this network-exploitable vulnerability has high impact on confidentiality and integrity, requiring no user interaction or privileges. While there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB) is not available, and it is not listed in CISA's KEV catalog, the vulnerability has garnered significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 12.1.0, <= 12.1.5.1CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | ||
>= 13.1.0, <= 13.1.3.3CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | ||
>= 14.1.0, <= 14.1.2.3CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | ||
>= 15.0.0, <= 15.1.0.1CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | ||
>= 12.1.0, <= 12.1.5.1CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.