CVE-2020-8644: PlaySMS Server-Side Template Injection Vulnerability

CVE-2020-8644 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2021-11-03

PlaySMS before version 1.4.3 contains a server-side template injection (SSTI) vulnerability due to improper sanitization of input strings. An unauthenticated remote attacker can exploit this to execute arbitrary code on the server.

Quick answers

Is CVE-2020-8644 exploited in the wild?
Yes. CVE-2020-8644 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2020-8644?
Critical severity, with a CVSS score of 9.8, published 3 November 2021.
Which products and versions are affected?
PlaySMS PlaySMS before 1.4.3.
Is there a fix for CVE-2020-8644?
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.
How is CVE-2020-8644 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2020-8644?
Check whether you run Playsms. 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

  • PlaySMS PlaySMS before 1.4.3

Timeline

  • 2020-02-05: disclosed: PlaySMS 1.4.3 released to address the vulnerability
  • 2020-02-05: advisory: NVD Published Date
  • 2020-02-11: other: Technical advisory published by NCC Group
  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

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