CVE-2021-26120
9.8
CRITICAL · CVSS 3.1 · EPSS 82.3% (pctl 100)
Patch early
EPSS 82.3% — above the 10% action threshold.
Description
Smarty before 3.1.39 allows code injection via an unexpected function name after a {function name= substring.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 82.32% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-94 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-02-22 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| debian | debian linux |
| smarty | smarty |
References
- https://github.com/smarty-php/smarty/blob/master/CHANGELOG.md
- https://lists.debian.org/debian-lts-announce/2021/04/msg00004.html
- https://lists.debian.org/debian-lts-announce/2021/04/msg00014.html
- https://security.gentoo.org/glsa/202105-06
- https://www.debian.org/security/2022/dsa-5151
- https://github.com/smarty-php/smarty/blob/master/CHANGELOG.md
- https://lists.debian.org/debian-lts-announce/2021/04/msg00004.html
- https://lists.debian.org/debian-lts-announce/2021/04/msg00014.html
- https://security.gentoo.org/glsa/202105-06
- https://www.debian.org/security/2022/dsa-5151
→ the Explorer · watch your stack · NVD