Vulnerability Details : CVE-2021-26600
ImpressCMS before 1.4.3 has plugins/preloads/autologin.php type confusion with resultant Authentication Bypass (!= instead of !==).
Products affected by CVE-2021-26600
- cpe:2.3:a:impresscms:impresscms:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-26600
16.57%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 96 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-26600
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-26600
-
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-26600
-
http://karmainsecurity.com/KIS-2022-01
ImpressCMS <= 1.4.2 (autologin.php) Authentication Bypass Vulnerability | Karma(In)SecurityThird Party Advisory
-
http://packetstormsecurity.com/files/166393/ImpressCMS-1.4.2-Authentication-Bypass.html
ImpressCMS 1.4.2 Authentication Bypass ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
http://seclists.org/fulldisclosure/2022/Mar/43
Full Disclosure: [KIS-2022-01] ImpressCMS <= 1.4.2 (autologin.php) Authentication Bypass VulnerabilityExploit;Mailing List;Third Party Advisory
-
https://hackerone.com/reports/1081986
#1081986 Potential Authentication Bypass through "autologin" featureExploit;Third Party Advisory
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