CVE-2021-26600
9.8
CRITICAL · CVSS 3.1 · EPSS 5.6% (pctl 93)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
ImpressCMS before 1.4.3 has plugins/preloads/autologin.php type confusion with resultant Authentication Bypass (!= instead of !==).
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 | 5.63% — more likely to be exploited than 93% of all CVEs |
| Weakness | CWE-843 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2022-03-28 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| impresscms | impresscms |
References
- http://karmainsecurity.com/KIS-2022-01
- http://packetstormsecurity.com/files/166393/ImpressCMS-1.4.2-Authentication-Bypass.html
- http://seclists.org/fulldisclosure/2022/Mar/43
- https://hackerone.com/reports/1081986
- http://karmainsecurity.com/KIS-2022-01
- http://packetstormsecurity.com/files/166393/ImpressCMS-1.4.2-Authentication-Bypass.html
- http://seclists.org/fulldisclosure/2022/Mar/43
- https://hackerone.com/reports/1081986
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