Out-of-bounds Read in Symantec Endpoint Protection

CVE-2020-5826

Symantec Endpoint Protection (SEP) and Symantec Endpoint Protection Small Business Edition (SEP SBE), prior to 14.2 RU2 MP1 and prior to 14.2.5569.2100 respectively, may be susceptible to an out of bounds vulnerability, which is a type of issue that results in an existing application reading memory outside of the bounds of the memory that had been allocated to the program.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (24.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.4% 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-2020-5826: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Symantec Endpoint Protection — versions 11.0, 12.1, 14.0.0
  • Symantec Endpoint Protection (Sep) And Small Business Edition (Sep Sbe) — versions Prior to 14.2 RU2 MP1 and prior to 14.2.5569.2100 respectively

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-5826?
CVE-2020-5826 is a medium-severity vulnerability in Symantec Endpoint Protection, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2020-02-11.
How severe is CVE-2020-5826?
Medium severity. CVSS v3 base score is 5.5 out of 10.