CVE-2021-31474
Last modified
CVE-2021-31474 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. This vulnerability allows remote attackers to execute arbitrary code on affected installations of SolarWinds Network Performance Monitor 2020.2.1. Authentication is not required to exploit this vulnerability. EPSS estimates a 94.43% chance of exploitation in the next 30 days.
Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of SolarWinds Network Performance Monitor 2020.2.1. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SolarWinds.Serialization library. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-12213.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Solarwinds | Network Performance Monitor | >= 2020.2.1, < 2020.2.5 |
References
- https://documentation.solarwinds.com/en/success_center/sam/content/release_notes/sam_2020-2-5_release_notes.htmRelease Notes, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-602/Third Party Advisory, VDB Entry
- https://documentation.solarwinds.com/en/success_center/sam/content/release_notes/sam_2020-2-5_release_notes.htmRelease Notes, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-602/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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