Vulnerability identifier: #VU52376

Vulnerability risk: Critical

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30642

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Symantec Security Analytics
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Broadcom

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation within the Symantec Security Analytics web UI. A remote unauthenticated attacker can send specially crafted request to the application and execute arbitrary OS commands on the target system with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Symantec Security Analytics: 7.2.1.43768 - 8.2.1.55066

---

External links
http://support.broadcom.com/security-advisory/security-advisory-detail.html?notificationId=SYMSA17969

---

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.