F5 vulnerabilities
- F5 has 230 CVE records published between 28 Oct 2023 and 28 Oct 2026, ranking #56 of 420 vendors on this site by that count.
- Of the 230 with a CVSS score, 166 (72.2%) are rated critical or high; 0 (0% of all) have no CVSS score.
- 8 vulnerabilities attributed to F5 are listed in CISA's Known Exploited Vulnerabilities (KEV) catalog; the most recent, CVE-2026-94127, was added on 22 Sep 2026.
- 4 of them (50%) are marked as known to be used in ransomware campaigns.
- For the 8 KEV entries with a published CVE record, the median time from CVE publication to KEV listing is 84 days.
Records are attributed to F5 from the vendor named in the source records. About the data.
CVE records per year
Show data as a table
| Year | CVE records |
|---|---|
| 2017 | 1 |
| 2018 | 0 |
| 2019 | 80 |
| 2020 | 118 |
| 2021 | 82 |
| 2022 | 110 |
| 2023 | 54 |
| 2024 | 50 |
| 2025 | 81 |
| 2026 | 99 |
2026 is partial (through 28 Oct 2026), shown in a lighter bar.
| Year | Records | Critical | High | Critical or high | Not scored |
|---|---|---|---|---|---|
| 2026 | 99 | 11 | 62 | 73.7% | 0% |
| 2025 | 81 | 2 | 63 | 80.2% | 0% |
| 2024 | 50 | 0 | 28 | 56% | 0% |
| 2023 | 54 | 1 | 33 | 63% | 0% |
| 2022 | 110 | 1 | 43 | 52.4% | 23.6% |
| 2021 | 82 | 2 | 0 | 100% | 97.6% |
| 2020 | 118 | 1 | 0 | 100% | 99.2% |
| 2019 | 80 | 0 | 0 | — | 100% |
| 2018 | 0 | 0 | 0 | — | — |
| 2017 | 1 | 0 | 0 | — | 100% |
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Exploited vulnerabilities in CISA's KEV catalog
| CVE | Product | Name | Added | Ransomware |
|---|---|---|---|---|
| CVE-2026-94127 | BIG-IP APM | F5 BIG-IP APM Heap-based Buffer Overflow Vulnerability | 2026-09-22 | Unknown |
| CVE-2025-53521 | BIG-IP | F5 BIG-IP Stack-Based Buffer Overflow Vulnerability | 2026-03-27 | Unknown |
| CVE-2023-46747 | BIG-IP Configuration Utility | F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability | 2023-10-31 | Known |
| CVE-2023-46748 | BIG-IP Configuration Utility | F5 BIG-IP Configuration Utility SQL Injection Vulnerability | 2023-10-31 | Unknown |
| CVE-2022-1388 | BIG-IP | F5 BIG-IP Missing Authentication Vulnerability | 2022-05-10 | Known |
| CVE-2021-22991 | BIG-IP Traffic Management Microkernel | F5 BIG-IP Traffic Management Microkernel Buffer Overflow | 2022-01-18 | Unknown |
| CVE-2020-5902 | BIG-IP | F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Vulnerability | 2021-11-03 | Known |
| CVE-2021-22986 | BIG-IP and BIG-IQ Centralized Management | F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution Vulnerability | 2021-11-03 | Known |
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.
Highest exploit-prediction scores (EPSS)
EPSS estimates the probability that a vulnerability is exploited in the next 30 days. These are the 10 highest-scoring F5 records today.
| CVE | EPSS | Percentile | Severity | In KEV |
|---|---|---|---|---|
| CVE-2020-5902 | 100% | 100% | Critical | Yes |
| CVE-2022-1388 | 100% | 100% | Critical | Yes |
| CVE-2021-22986 | 99.9% | 100% | Critical | Yes |
| CVE-2023-46747 | 96.8% | 99.9% | Critical | Yes |
| CVE-2022-41622 | 92.4% | 99.8% | High | No |
| CVE-2022-41800 | 76.9% | 99.5% | High | No |
| CVE-2023-22374 | 72.6% | 99.4% | High | No |
| CVE-2026-42945 | 68% | 99.3% | Critical | No |
| CVE-2021-22992 | 67.6% | 99.3% | Not scored | No |
| CVE-2021-22991 | 62.4% | 99.2% | Critical | Yes |
Source: FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.