Skip to content
Fencer Intel
critical 9.8

CVE-2020-8644 kev in the critical feed json

PlaySMS before 1.4.3 does not sanitize inputs from a malicious string.

published 6y ago modified 4mo ago also EUVD-2020-29492

cvss
9.8
version 3.1, CNA
cisa kev
Exploited
added 2021-11-03
epss
86.3%
EPSS 86.3% chance of exploitation in 30 days, percentile 99.7%
public exploits
2
Metasploit and Exploit-DB, plus a Nuclei check

Summary

PlaySMS before 1.4.3 does not sanitize inputs from a malicious string.

Patch / fix

cisa required action Apply updates per vendor instructions.

  • playsms playsms 1.4.3

Is CVE-2020-8644 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Timeline

  1. First public exploit (Metasploit exploit/multi/http/playsms_template_injection)
  2. Published
  3. Added to CISA KEV
  4. CISA patch deadline
  5. CISA SSVC: exploitation active

Known exploited

Added
5y ago
Patch by
2022-05-03 (4y ago)
Ransomware
Not known
Required action
Apply updates per vendor instructions.
Vendor, product
PlaySMS, PlaySMS
CISA name
PlaySMS Server-Side Template Injection Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
total
Assessed
last yr.

Exploit prediction

86.31% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Metasploit exploit/multi/http/playsms_template_injection PlaySMS index.php Unauthenticated Template Injection Code Execution metasploit exploit, excellent rank, 2020-02-05
  • EDB-48335 PlaySMS - index.php Unauthenticated Template Injection Code Execution (Metasploit) remote, 2020-04-16
  • Nuclei template playSMS <1.4.3 - Remote Code Execution nuclei detection template
  • research.nccgroup.com https://research.nccgroup.com/2020/02/11/technical-advisory-playsms-pre-authentication-remote-code-execution-cve-2020-8644/ referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/157106/PlaySMS-index.php-Unauthenticated-Template-Injection-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.