What is CVE-2020-8249?

CVE-2020-8249 is a high-severity vulnerability in Pulsesecure Pulse_secure_desktop_client, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2020-10-28.

How severe is CVE-2020-8249?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2020-8249 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Pulsesecure Pulse_secure_desktop_client

CVE-2020-8249

A vulnerability in the Pulse Secure Desktop Client (Linux) < 9.1R9 could allow local attackers to perform buffer overflow.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (38.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Pulsesecure Pulse_secure_desktop_client — versions 9.1
N/a Pulse Secure Desktop Client — versions 9.1R9

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

support@hackerone.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-8249?: CVE-2020-8249 is a high-severity vulnerability in Pulsesecure Pulse_secure_desktop_client, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2020-10-28.
How severe is CVE-2020-8249?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-8249 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.