Vulnerability · Published Mar 28, 2022 · Assigned by mitre
CVE-2021-26600
Critical 9.8
In plain English
A critical-severity security flaw in the impresscms/impresscms package (Packagist). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 5.6% (higher than 93% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)5.6%top 7.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
ImpressCMS before 1.4.3 has plugins/preloads/autologin.php type confusion with resultant Authentication Bypass (!= instead of !==).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | impresscms/impresscms | 1.4.3 | GHSA-m8xh-cqc2-5q6f |
Affected products (as reported)
References
- https://hackerone.com/reports/1081986 x_refsource_MISC
- http://packetstormsecurity.com/files/166393/ImpressCMS-1.4.2-Authentication-Bypass.html x_refsource_MISC
- http://seclists.org/fulldisclosure/2022/Mar/43 x_refsource_MISC
- http://karmainsecurity.com/KIS-2022-01 x_refsource_MISC