Multiple vulnerabilities in cPanel
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2021-38587 CVE-2021-38589 CVE-2021-38588 |
| CWE-ID | CWE-254 CWE-354 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
cPanel Web applications / Remote management & hosting panels |
| Vendor | cPanel, Inc |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Security features bypass
EUVDB-ID: #VU55843
Risk: High
CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-38587
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a flaw in scripts/fix-cpanel-perl. A remote attacker can send a specially crafted request and create arbitrary temporary files.
MitigationInstall updates from vendor's website.
Vulnerable software versionscPanel: 96.0.0 - 96.0.11
External linkshttp://docs.cpanel.net/changelogs/96-change-log/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Security features bypass
EUVDB-ID: #VU55846
Risk: High
CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-38589
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a flaw in scripts/fix-cpanel-perl. A remote attacker can send a specially crafted request and overwrite arbitrary files on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionscPanel: 96.0.0 - 96.0.11
External linkshttp://docs.cpanel.net/changelogs/96-change-log/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Improper validation of integrity check value
EUVDB-ID: #VU55844
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-38588
CWE-ID:
CWE-354 - Improper Validation of Integrity Check Value
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper verification of the integrity of downloads in fix_cpanel_perl. A remote attacker can trick a victim to download a specially crafted file and execute arbitrary code 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 versionscPanel: 96.0.0 - 96.0.11
External linkshttp://docs.cpanel.net/changelogs/96-change-log/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
