What is CVE-2021-31922?

CVE-2021-31922 is a high-severity vulnerability in Pulsesecure Virtual Traffic Manager, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 7.5/10. Published 2021-05-14.

How severe is CVE-2021-31922?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Pulsesecure Virtual Traffic Manager

CVE-2021-31922

An HTTP Request Smuggling vulnerability in Pulse Secure Virtual Traffic Manager before 21.1 could allow an attacker to smuggle an HTTP request through an HTTP/2 Header. This vulnerability is resolved in 21.1, 20.3R1, 20.2R1, 20.1R2, 19.2R4, and 18.2R3.

Vulnerability class: HTTP Request Smuggling

EPSS: 0.010 (58.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Pulsesecure Virtual_traffic_manager — versions 18.2, 19.2, 19.3
N/a — versions n/a

Weakness classification (CWE)

CWE-444 — Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling)

References

cve@mitre.org (Exploit, Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-31922?: CVE-2021-31922 is a high-severity vulnerability in Pulsesecure Virtual Traffic Manager, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 7.5/10. Published 2021-05-14.
How severe is CVE-2021-31922?: High severity. CVSS v3 base score is 7.5 out of 10.