VulnerabilityModified
CVE-2021-26600
ImpressCMS before 1.4.3 has plugins/preloads/autologin.php type confusion with resultant Authentication Bypass (!= instead of !==).
CRITICAL 9.8EPSS 5.63%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
ImpressCMS before 1.4.3 has plugins/preloads/autologin.php type confusion with resultant Authentication Bypass (!= instead of !==).
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.63% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-843
- Affected
- impresscms/impresscms
- Source
- cve@mitre.org
References
- http://karmainsecurity.com/KIS-2022-01Third Party Advisory
- http://packetstormsecurity.com/files/166393/ImpressCMS-1.4.2-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2022/Mar/43Exploit, Mailing List, Third Party Advisory
- https://hackerone.com/reports/1081986Exploit, Third Party Advisory
- http://karmainsecurity.com/KIS-2022-01Third Party Advisory
- http://packetstormsecurity.com/files/166393/ImpressCMS-1.4.2-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2022/Mar/43Exploit, Mailing List, Third Party Advisory
- https://hackerone.com/reports/1081986Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.