Multiple vulnerabilities in Crafter CMS
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2021-23258 CVE-2021-23260 CVE-2021-23259 |
| CWE-ID | CWE-913 CWE-79 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Crafter CMS Web applications / CMS |
| Vendor | Crafter Software Corporation |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Improper Control of Dynamically-Managed Code Resources
EUVDB-ID: #VU58511
Risk: Low
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-23258
CWE-ID:
CWE-913 - Improper Control of Dynamically-Managed Code Resources
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary commands on the target system.
The vulnerability exists due to no security restrictions for SPEL Expression. A remote administrator can pass specially crafted data to the application and execute arbitrary commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCrafter CMS: 3.1.0 - 3.1.11
External linkshttp://docs.craftercms.org/en/3.1/security/advisory.html#cv-2021120101
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Stored cross-site scripting
EUVDB-ID: #VU58513
Risk: Low
CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-23260
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in File Name of the File Upload function. A remote authenticated attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCrafter CMS: 3.1.0 - 3.1.11
External linkshttp://docs.craftercms.org/en/3.1/security/advisory.html#cv-2021120103
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Improper Control of Dynamically-Managed Code Resources
EUVDB-ID: #VU58512
Risk: Low
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-23259
CWE-ID:
CWE-913 - Improper Control of Dynamically-Managed Code Resources
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to no security restrictions for groovy script. A remote administrator can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCrafter CMS: 3.1.0 - 3.1.11
External linkshttp://docs.craftercms.org/en/3.1/security/advisory.html#cv-2021120102
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
