CVE-2021-26120

high-risk
Published 2021-02-22

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

Do I need to act?

!
75.6% chance of exploitation in next 30 days
EPSS score — higher than 24% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
+
Fix available
Upgrade to: e27da524f7bcd7361e3ea5cdfa99c4378a7b5419
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

Debian Smarty

References (10)

Release Notes https://github.com/smarty-php/smarty/blob/master/CHANGELOG.md
Mailing List https://lists.debian.org/debian-lts-announce/2021/04/msg00004.html
Mailing List https://lists.debian.org/debian-lts-announce/2021/04/msg00014.html
Patch https://security.gentoo.org/glsa/202105-06
Third Party Advisory https://www.debian.org/security/2022/dsa-5151
Release Notes https://github.com/smarty-php/smarty/blob/master/CHANGELOG.md
Mailing List https://lists.debian.org/debian-lts-announce/2021/04/msg00004.html
Mailing List https://lists.debian.org/debian-lts-announce/2021/04/msg00014.html
Patch https://security.gentoo.org/glsa/202105-06
Third Party Advisory https://www.debian.org/security/2022/dsa-5151
62
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 20/34 · Moderate
Exposure 10/34 · Low