Is CVE-2022-29221 in the CISA KEV catalog?

No. CVE-2022-29221 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-29221?

CVE-2022-29221 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2022-29221?

CVE-2022-29221 has an EPSS score of 4.54% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-29221?

Upgrade smarty3 on debian 11 to 3.1.39-2+deb11u1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2022-29221

HIGHEPSS 90th pctl

8.8

CVSS v3

NVD

Description

Smarty is a template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic. Prior to versions 3.1.45 and 4.1.1, template authors could inject php code by choosing a malicious {block} name or {include} file name. Sites that cannot fully trust template authors should upgrade to versions 3.1.45 or 4.1.1 to receive a patch for this issue. There are currently no known workarounds.

CWE-94Code Injection

How to fix

Remediation Available

smarty3Debian

Fixed in:3.1.39-2+deb11u1CVE-2022-29221

Fixed in:3.1.45-1CVE-2022-29221

postfixadminUbuntu

Fixed in:3.0.2-2ubuntu0.1~esm1USN-6550-1

Fixed in:3.2.1-3ubuntu0.1~esm1USN-6550-1

Fixed in:3.3.10-2ubuntu0.1~esm1USN-6550-1

smarty3Ubuntu

Fixed in:3.1.39-2ubuntu1.22.04.1USN-6012-1

Fixed in:3.1.39-2ubuntu1.22.10.1USN-6012-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

4.54%probability of exploitation in 30 days

90thpercentile

High risk: more likely to be exploited than 90% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory6

Other references2

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.