CVE-2021-26120

Description

Smarty before 3.1.39 allows code injection via an unexpected function name after a {function name= substring.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 76.98% Top 5%
Vendor Advisory gentoo.org Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/smarty-php/smarty/blob/master/CHANGELOG.md third party advisory release notes
https://lists.debian.org/debian-lts-announce/2021/04/msg00004.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2021/04/msg00014.html third party advisory mailing list
https://security.gentoo.org/glsa/202105-06 third party advisory patch vendor advisory
https://www.debian.org/security/2022/dsa-5151 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-26120?
CVE-2021-26120 has been scored as a critical severity vulnerability.
How to fix CVE-2021-26120?
To fix CVE-2021-26120, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-26120 being actively exploited in the wild?
It is possible that CVE-2021-26120 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~77% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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