RCE in Symantec Security Analytics

CVE-2021-30642

An input validation flaw in the Symantec Security Analytics web UI 7.2 prior 7.2.7, 8.1, prior to 8.1.3-NSR3, 8.2, prior to 8.2.1-NSR2 or 8.2.2 allows a remote, unauthenticated attacker to execute arbitrary OS commands on the target with elevated privileges.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.027 (85.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-30642: held from 0.027 to 0.027.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

  • Symantec Security Analytics
  • Symantec Security Analytics — versions Security Analytics 7.2 prior 7.2.7, 8.1 prior to 8.1.3-NSR3, 8.2 prior to 8.2.1-NSR2 or 8.2.2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-30642?
CVE-2021-30642 is a critical-severity vulnerability in Symantec Security Analytics, classified under OS Command Injection. CVSS score: 9.8/10. Published 2021-04-27.
How severe is CVE-2021-30642?
Critical severity. CVSS v3 base score is 9.8 out of 10.