What is CVE-2021-22934?

CVE-2021-22934 is a high-severity vulnerability in Ivanti Connect Secure, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.2/10. Published 2021-08-16.

How severe is CVE-2021-22934?

High severity. CVSS v3 base score is 7.2 out of 10.

Buffer overflow in Ivanti Connect Secure

CVE-2021-22934

A vulnerability in Pulse Connect Secure before 9.1R12 could allow an authenticated administrator or compromised Pulse Connect Secure device in a load-balanced configuration to perform a buffer overflow via a malicious crafted web request.

Vulnerability class: Buffer Overflow

EPSS: 0.047 (90.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ivanti Connect_secure — versions 9.1
Pulsesecure Pulse_connect_secure
N/a Pulse Connect Secure — versions Fixed in 9.1R12

Weakness classification (CWE)

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

References

support@hackerone.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22934?: CVE-2021-22934 is a high-severity vulnerability in Ivanti Connect Secure, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.2/10. Published 2021-08-16.
How severe is CVE-2021-22934?: High severity. CVSS v3 base score is 7.2 out of 10.