CVE-2021-35220
CVE-2021-35220 is a high-severity vulnerability in Solarwinds Orion Platform with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- CVSS v2: 6.5
- EPSS exploit prediction: 2% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-77
- Affected product: Solarwinds Orion Platform
- Published:
- Last modified:
Description
Command Injection vulnerability in EmailWebPage API which can lead to a Remote Code Execution (RCE) from the Alerts Settings page.
Frequently asked questions
- What is CVE-2021-35220?
- Command Injection vulnerability in EmailWebPage API which can lead to a Remote Code Execution (RCE) from the Alerts Settings page.
- How severe is CVE-2021-35220?
- CVE-2021-35220 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2021-35220 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-35220?
- CVE-2021-35220 affects Solarwinds Orion Platform. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-35220?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-35220 published?
- CVE-2021-35220 was published on 2021-08-31 and last updated on 2026-06-17.
References
- https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/orion_platform_2020-2-6_release_notes.htm
- https://support.solarwinds.com/SuccessCenter/s/article/Mitigate-the-EmailWebPage-Command-Injection-RCE-CVE-2021-35220?language=en_US
- https://support.solarwinds.com/SuccessCenter/s/article/Orion-Platform-2020-2-6-Hotfix-1?language=en_US
- https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35220
Affected products (1)
- cpe:2.3:a:solarwinds:orion_platform:*:*:*:*:*:*:*:*
More vulnerabilities in Solarwinds Orion Platform
- CVE-2021-27258 — Critical (CVSS 9.8): This vulnerability allows remote attackers to execute escalate privileges on affected installations of SolarWinds Orion…
- CVE-2021-25274 — Critical (CVSS 9.8): The Collector Service in SolarWinds Orion Platform before 2020.2.4 uses MSMQ (Microsoft Message Queue) and doesn't set…
- CVE-2020-10148 — Critical (CVSS 9.8): The SolarWinds Orion API is vulnerable to an authentication bypass that could allow a remote attacker to execute API…
- CVE-2019-9546 — Critical (CVSS 9.8): SolarWinds Orion Platform before 2018.4 Hotfix 2 allows privilege escalation through the RabbitMQ service.
- CVE-2020-13169 — Critical (CVSS 9.0): Stored XSS (Cross-Site Scripting) exists in the SolarWinds Orion Platform before before 2020.2.1 on multiple forms and…
- CVE-2021-35218 — High (CVSS 8.9): Deserialization of Untrusted Data in the Web Console Chart Endpoint can lead to remote code execution. An unauthorized…
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