What is CVE-2021-40373?

CVE-2021-40373 is a critical-severity vulnerability in Playsms, classified under Code Injection. CVSS score: 9.8/10. Published 2021-09-10.

How severe is CVE-2021-40373?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2021-40373 known to be exploited?

13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Playsms

CVE-2021-40373

playSMS before 1.4.5 allows Arbitrary Code Execution by entering PHP code at the #tabs-information-page of core_main_config, and then executing that code via the index.php?app=main&inc=core_welcome URI.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.047 (90.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Playsms
N/a — versions n/a

Weakness classification (CWE)

CWE-94 — Code Injection

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-40373?: CVE-2021-40373 is a critical-severity vulnerability in Playsms, classified under Code Injection. CVSS score: 9.8/10. Published 2021-09-10.
How severe is CVE-2021-40373?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-40373 known to be exploited?: 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.