CVE-2020-5947
published 2020-11-19CVE-2020-5947: In versions 16.0.0-16.0.0.1 and 15.1.0-15.1.1, on specific BIG-IP platforms, attackers may be able to obtain TCP sequence numbers from the BIG-IP system that…
PriorityP421medium4.3CVSS 3.1
AVNACLPRLUINSUCLINAN
EPSS
0.69%
48.6th percentile
In versions 16.0.0-16.0.0.1 and 15.1.0-15.1.1, on specific BIG-IP platforms, attackers may be able to obtain TCP sequence numbers from the BIG-IP system that can be reused in future connections with the same source and destination port and IP numbers. Only these platforms are affected: BIG-IP 2000 series (C112), BIG-IP 4000 series (C113), BIG-IP i2000 series (C117), BIG-IP i4000 series (C115), BIG-IP Virtual Edition (VE).
Affected
42 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| f5 | big-ip_aam | — | — |
| f5 | big-ip_access_policy_manager | >= 15.0.0 < 15.1.2 | 15.1.2 |
| f5 | big-ip_access_policy_manager | >= 16.0.0 < 16.0.1 | 16.0.1 |
| f5 | big-ip_advanced_firewall_manager | >= 15.0.0 < 15.1.2 | 15.1.2 |
| f5 | big-ip_advanced_firewall_manager | >= 16.0.0 < 16.0.1 | 16.0.1 |
| f5 | big-ip_advanced_waf | — | — |
| f5 | big-ip_advanced_web_application_firewall | >= 15.0.0 < 15.1.2 | 15.1.2 |
| f5 | big-ip_advanced_web_application_firewall | >= 16.0.0 < 16.0.1 | 16.0.1 |
| f5 | big-ip_afm | — | — |
| f5 | big-ip_analytics | — | — |
| f5 | big-ip_analytics | >= 15.0.0 < 15.1.2 | 15.1.2 |
| f5 | big-ip_analytics | >= 16.0.0 < 16.0.1 | 16.0.1 |
| f5 | big-ip_apm | — | — |
| f5 | big-ip_application_acceleration_manager | >= 15.0.0 < 15.1.2 | 15.1.2 |
| f5 | big-ip_application_acceleration_manager | >= 16.0.0 < 16.0.1 | 16.0.1 |
| f5 | big-ip_application_security_manager | >= 15.0.0 < 15.1.2 | 15.1.2 |
| f5 | big-ip_application_security_manager | >= 16.0.0 < 16.0.1 | 16.0.1 |
| f5 | big-ip_asm | — | — |
| f5 | big-ip_ddos_hybrid_defender | >= 15.0.0 < 15.1.2 | 15.1.2 |
| f5 | big-ip_ddos_hybrid_defender | >= 16.0.0 < 16.0.1 | 16.0.1 |
| f5 | big-ip_dhd | — | — |
| f5 | big-ip_dns | — | — |
| f5 | big-ip_domain_name_system | >= 15.0.0 < 15.1.2 | 15.1.2 |
| f5 | big-ip_domain_name_system | >= 16.0.0 < 16.0.1 | 16.0.1 |
| f5 | big-ip_fps | — | — |
CVSS provenance
nvdv3.14.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
nvdv2.04.0MEDIUMAV:N/AC:L/Au:S/C:P/I:N/A:N
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
F5
CVE-2020-5947: In versions 16
vendor_f5·2020-11-19·CVSS 4.3
CVE-2020-5947 [MEDIUM] CVE-2020-5947: In versions 16
CVE-2020-5947: In versions 16
In versions 16.0.0-16.0.0.1 and 15.1.0-15.1.1, on specific BIG-IP platforms, attackers may be able to obtain TCP sequence numbers from the BIG-IP system that can be reused in future connections with the same source and destination port and IP numbers. Only these platforms are affected: BIG-IP 2000 series (C112), BIG-IP 4000 series (C113), BIG-IP i2000 series (C117), BIG-IP i4000 series (C115), BIG-IP Virtual Edition (VE).
Affected Products: BIG-IP AAM, BIG-IP AFM, BIG-IP APM, BIG-IP ASM, BIG-IP Advanced WAF, BIG-IP Analytics, BIG-IP DHD, BIG-IP DNS, BIG-IP FPS, BIG-IP GTM, BIG-IP LTM, BIG-IP Link Controller, BIG-IP PEM, Ssl Orchestrator
Affected Versions: 15.0.0 - 15.1.2; 16.0.0 - 16.0.1
F5 Advisory Articles: K64571774
F5 References: https://support.f5.com/c
GHSA
GHSA-253r-3vgg-gj92: In versions 16
ghsa_unreviewed·2022-05-24
CVE-2020-5947 [MEDIUM] GHSA-253r-3vgg-gj92: In versions 16
In versions 16.0.0-16.0.0.1 and 15.1.0-15.1.1, on specific BIG-IP platforms, attackers may be able to obtain TCP sequence numbers from the BIG-IP system that can be reused in future connections with the same source and destination port and IP numbers. Only these platforms are affected: BIG-IP 2000 series (C112), BIG-IP 4000 series (C113), BIG-IP i2000 series (C117), BIG-IP i4000 series (C115), BIG-IP Virtual Edition (VE).
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2020-11-19
Published