CVE-2021-23049 — Uncontrolled Resource Consumption in F5 Big-ip Fraud Protection Service

CWE-400 — Uncontrolled Resource Consumption4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.9%
top 24.42%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
11
F5 Big-ip Access Policy ManagerF5 Big-ip Advanced Firewall ManagerF5 Big-ip Advanced WEB Application Firewall+8 more
Timeline
PublishedSep 14
Latest updateMay 24

Description

On BIG-IP version 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3, when the iRules RESOLVER::summarize command is used on a virtual server, undisclosed requests can cause an increase in Traffic Management Microkernel (TMM) memory utilization resulting in an out-of-memory condition and a denial-of-service (DoS). Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages12 packages

▶NVDf5/big-ip_local_traffic_manager15.1.0 — 15.1.3+1
▶NVDf5/big-ip_global_traffic_manager15.1.0 — 15.1.3+1
▶NVDf5/big-ip_fraud_protection_service15.1.0 — 15.1.3+1
▶NVDf5/big-ip_analytics15.1.0 — 15.1.3+1
▶NVDf5/big-ip_link_controller15.1.0 — 15.1.3+1

🔴Vulnerability Details

2
GHSA
GHSA-8prr-wvvw-94gv: On BIG-IP version 16↗2022-05-24
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CVEList
CVE-2021-23049: On BIG-IP version 16↗2021-09-14
▶

📋Vendor Advisories

1
F5
CVE-2021-23049: On BIG-IP version 16↗2021-09-14
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CVE-2021-23049 — Uncontrolled Resource Consumption | cvebase