Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
CVE-2021-27293 Details
Description
RestSharp < 106.11.8-alpha.0.13 uses a regular expression which is vulnerable to Regular Expression Denial of Service (ReDoS) when converting strings into DateTimes. If a server responds with a malicious string, the client using RestSharp will be stuck processing it for an exceedingly long time. Thus the remote server can trigger Denial of Service.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/restsharp/RestSharp/issues/1556 | CVE | ExploitPatchThird Party Advisory |
| https://restsharp.dev/ | CVE | Product |
| https://github.com/restsharp/RestSharp/issues/1556 | [email protected] | ExploitPatchThird Party Advisory |
| https://restsharp.dev/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-697 | Incorrect Comparison | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| restsharp restsharp | <= 106.11.7 106.11.8 alpha0.10 106.11.8 alpha0.11 106.11.8 alpha0.12 106.11.8 alpha0.2 106.11.8 alpha0.3 106.11.8 alpha0.4 106.11.8 alpha0.6 106.11.8 alpha0.7 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Sep 9, 2021 | Reanalysis | [email protected] |
| Jul 14, 2021 | Initial Analysis | [email protected] |