Actively exploited · Published Feb 5, 2020 · Assigned by mitre
CVE-2020-8644
Critical 9.8 Exploited
In plain English
A critical-severity code injection in PlaySMS from PlaySMS. Attackers are actively exploiting it in the wild (listed by CISA on November 3, 2021). The chance it is exploited in the next 30 days is estimated at 86.3% (higher than 99.7% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code. Apply updates per vendor instructions.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)86.3%top 0.3% of all CVEs
Exploited in the wildYesCISA KEV since Nov 3, 2021
Attack tooling3Metasploit, Nuclei, Public PoC
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by May 3, 2022.
Official description
PlaySMS before 1.4.3 does not sanitize inputs from a malicious string.
Affected products (as reported)
Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://playsms.org/2020/02/05/playsms-1-4-3-has-been-released/ x_refsource_MISC
- https://forum.playsms.org/t/playsms-1-4-3-has-been-released/2704 x_refsource_MISC
- https://research.nccgroup.com/2020/02/11/technical-advisory-playsms-pre-authentication-remote-code-execution-cve-2020-8644/ x_refsource_MISC
- http://packetstormsecurity.com/files/157106/PlaySMS-index.php-Unauthenticated-Template-Injection-Code-Execution.html x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-8644 government-resource