What is CVE-2021-22267?

CVE-2021-22267 is a medium-severity vulnerability in HPE Nonstop, classified under Authentication Bypass by Capture-replay. CVSS score: 5.9/10. Published 2021-02-09.

How severe is CVE-2021-22267?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in HPE Nonstop

CVE-2021-22267

Idelji Web ViewPoint Suite, as used in conjunction with HPE NonStop, allows a remote replay attack for T0320L01^ABP through T0320L01^ABZ, T0952L01^AAH through T0952L01^AAR, T0986L01 through T0986L01^AAF, T0665L01^AAP, and T0662L01^AAP (L) and T0320H01^ABO through T0320H01^ABY, T0952H01^AAG through T0952H01^AAQ, T0986H01 through T0986H01^AAE, T0665H01^AAO, and T0662H01^AAO (J and H).

Published 2021-02-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.014 (71.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

HPE Nonstop
HPE Web Viewpoint — versions t0320l01^acd, 15.02.01, t0320l01\^acd

Weakness classification (CWE)

CWE-294 — Authentication Bypass by Capture-replay

References

idelji.com (Product)
techpartner.ext.hpe.com/TechPartner/PartnerDetail.xhtml (Vendor Advisory)
support.hpe.com/hpesc/public/docDisplay (Vendor Advisory)

Frequently asked questions

What is CVE-2021-22267?: CVE-2021-22267 is a medium-severity vulnerability in HPE Nonstop, classified under Authentication Bypass by Capture-replay. CVSS score: 5.9/10. Published 2021-02-09.
How severe is CVE-2021-22267?: Medium severity. CVSS v3 base score is 5.9 out of 10.