CVEs / CVE-2020-8644
CVE-2020-8644: PlaySMS Server-Side Template Injection Vulnerability
- Known exploited in the CISA KEV catalog since 3 Nov 2021
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 86.6% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
PlaySMS contains a server-side template injection vulnerability that allows for remote code execution.
Description
PlaySMS before 1.4.3 does not sanitize inputs from a malicious string.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 3 Nov 2021 |
|---|---|
| Due date for US federal agencies | 3 May 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-94 |
References
- CVE-2020-8644 on NVD
- CVE-2020-8644 in the CISA KEV catalog
- CVE-2020-8644 on OSV
- http://packetstormsecurity.com/files/157106/PlaySMS-index.php-Unauthenticated-Template-Injection-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- https://forum.playsms.org/t/playsms-1-4-3-has-been-released/2704 Broken Link, Release Notes, Vendor Advisory
- https://playsms.org/2020/02/05/playsms-1-4-3-has-been-released/ Vendor Advisory
- https://research.nccgroup.com/2020/02/11/technical-advisory-playsms-pre-authentication-remote-code-execution-cve-2020-8644/ Exploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-8644 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.