What is CVE-2022-22551?

CVE-2022-22551 is a high-severity vulnerability in Dell Appsync, classified under CWE-598. CVSS score: 8.3/10. Published 2022-01-21.

How severe is CVE-2022-22551?

High severity. CVSS v3 base score is 8.3 out of 10.

Vulnerability in Dell Appsync

CVE-2022-22551

DELL EMC AppSync versions 3.9 to 4.3 use GET request method with sensitive query strings. An Adjacent, unauthenticated attacker could potentially exploit this vulnerability, and hijack the victim session.

Published 2022-01-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (30.3th percentile), scored 2026-09-28.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Dell Appsync — versions unspecified
Dell EMC Appsync

Weakness classification (CWE)

References

www.dell.com/support/kbdoc/000195377 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-22551?: CVE-2022-22551 is a high-severity vulnerability in Dell Appsync, classified under CWE-598. CVSS score: 8.3/10. Published 2022-01-21.
How severe is CVE-2022-22551?: High severity. CVSS v3 base score is 8.3 out of 10.