SolarWinds vulnerabilities
- SolarWinds has 114 CVE records published between 28 Oct 2023 and 28 Oct 2026, ranking #117 of 420 vendors on this site by that count.
- Of the 114 with a CVSS score, 84 (73.7%) are rated critical or high; 0 (0% of all) have no CVSS score.
- 11 vulnerabilities attributed to SolarWinds are listed in CISA's Known Exploited Vulnerabilities (KEV) catalog; the most recent, CVE-2026-28318, was added on 5 Jun 2026.
- 2 of them (18.2%) are marked as known to be used in ransomware campaigns.
- For the 11 KEV entries with a published CVE record, the median time from CVE publication to KEV listing is 41 days.
Records are attributed to SolarWinds from the vendor named in the source records. About the data.
CVE records per year
Show data as a table
| Year | CVE records |
|---|---|
| 2017 | 0 |
| 2018 | 0 |
| 2019 | 0 |
| 2020 | 1 |
| 2021 | 41 |
| 2022 | 24 |
| 2023 | 45 |
| 2024 | 44 |
| 2025 | 21 |
| 2026 | 39 |
2026 is partial (through 28 Oct 2026), shown in a lighter bar.
| Year | Records | Critical | High | Critical or high | Not scored |
|---|---|---|---|---|---|
| 2026 | 39 | 24 | 7 | 79.5% | 0% |
| 2025 | 21 | 5 | 3 | 38.1% | 0% |
| 2024 | 44 | 15 | 23 | 86.4% | 0% |
| 2023 | 45 | 0 | 32 | 71.1% | 0% |
| 2022 | 24 | 0 | 10 | 41.7% | 0% |
| 2021 | 41 | 3 | 19 | 53.7% | 0% |
| 2020 | 1 | 1 | 0 | 100% | 0% |
| 2019 | 0 | 0 | 0 | — | — |
| 2018 | 0 | 0 | 0 | — | — |
| 2017 | 0 | 0 | 0 | — | — |
| Before 2017 | 1 | ||||
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-2026-28318 | Serv-U | SolarWinds Serv-U Uncontrolled Resource Consumption Vulnerability | 2026-06-05 | Unknown |
| CVE-2025-26399 | Web Help Desk | SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability | 2026-03-09 | Known |
| CVE-2025-40536 | Web Help Desk | SolarWinds Web Help Desk Security Control Bypass Vulnerability | 2026-02-12 | Unknown |
| CVE-2025-40551 | Web Help Desk | SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability | 2026-02-03 | Unknown |
| CVE-2024-28987 | Web Help Desk | SolarWinds Web Help Desk Hardcoded Credential Vulnerability | 2024-10-15 | Unknown |
| CVE-2024-28986 | Web Help Desk | SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability | 2024-08-15 | Unknown |
| CVE-2024-28995 | Serv-U | SolarWinds Serv-U Path Traversal Vulnerability | 2024-07-17 | Unknown |
| CVE-2021-35247 | Serv-U | SolarWinds Serv-U Improper Input Validation Vulnerability | 2022-01-21 | Unknown |
| CVE-2016-3643 | Virtualization Manager | SolarWinds Virtualization Manager Privilege Escalation Vulnerability | 2021-11-03 | Unknown |
| CVE-2020-10148 | Orion | SolarWinds Orion Authentication Bypass Vulnerability | 2021-11-03 | Unknown |
| CVE-2021-35211 | Serv-U | SolarWinds Serv-U 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 SolarWinds records today.
| CVE | EPSS | Percentile | Severity | In KEV |
|---|---|---|---|---|
| CVE-2024-28995 | 99.6% | 99.9% | High | Yes |
| CVE-2021-31474 | 93.9% | 99.8% | Critical | No |
| CVE-2024-28987 | 93.3% | 99.8% | Critical | Yes |
| CVE-2024-0692 | 92.2% | 99.8% | High | No |
| CVE-2020-10148 | 92% | 99.8% | Critical | Yes |
| CVE-2021-35211 | 91.2% | 99.8% | Critical | Yes |
| CVE-2020-27871 | 90.8% | 99.8% | High | No |
| CVE-2025-26399 | 90.1% | 99.8% | Critical | Yes |
| CVE-2022-38111 | 84.8% | 99.7% | High | No |
| CVE-2024-28986 | 84.6% | 99.7% | 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.