# CVE-2021-42655: SQL injection in SiteServer CMS

Source: https://junglewise.ai/threats/cve-2021-42655-sql-injection-in-siteserver-cms  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-25  
License: CC BY 4.0 with a link back

CVE-2021-42655 · Severity: low · CVSS 3.1 · Published 2022-05-25

SQL injection in SiteServer CMS

Technologies: [SSCMS (NuGet)](https://junglewise.ai/threats/technologies/nuget-sscms). Vendors: [NuGet](https://junglewise.ai/threats/vendors/nuget).

## Quick answers

**Is CVE-2021-42655 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2021-42655 being exploited in the wild.

**How severe is CVE-2021-42655?** Low severity, with a CVSS score of 3.1, published 25 May 2022.

**Which products and versions are affected?** SSCMS (NuGet) ECOSYSTEM:introduced=0,last_affected=6.15.51.

**Is there a fix for CVE-2021-42655?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2021-42655?** Check whether you run SSCMS (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- SSCMS (NuGet) ECOSYSTEM:introduced=0,last_affected=6.15.51

## Identifiers

- CVE-2021-42655
- GHSA-5xr5-v2h7-2w7w

## Related threats

- [SSCMS vulnerable to Cross Site Scripting](https://junglewise.ai/threats/cve-2023-2862-sscms-vulnerable-to-cross-site-scripting)
- [Cross site scripting in SSCMS](https://junglewise.ai/threats/cve-2022-30349-cross-site-scripting-in-sscms)
- [Cross site scripting in SiteServer CMS](https://junglewise.ai/threats/cve-2021-42656-cross-site-scripting-in-siteserver-cms)
- [SiteServer CMS RCE via unsafe file upload](https://junglewise.ai/threats/cve-2019-11401-siteserver-cms-rce-via-unsafe-file-upload)