What is CVE-2021-27187?

CVE-2021-27187 is a high-severity vulnerability in Xn--B1agzlht Fx Aggregator Terminal Client, classified under Insufficiently Protected Credentials. CVSS score: 7.5/10. Published 2021-02-12.

How severe is CVE-2021-27187?

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

Is CVE-2021-27187 known to be exploited?

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

Vulnerability in Xn--B1agzlht Fx Aggregator Terminal Client

CVE-2021-27187

The Sovremennye Delovye Tekhnologii FX Aggregator terminal client 1 stores authentication credentials in cleartext in login.sav when the Save Password box is checked.

Published 2021-02-12 · last modified 2026-06-17.

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:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.020 (80.3th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Xn--B1agzlht Fx Aggregator Terminal Client — versions 1.0

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

Public proof-of-concept exploits

References

www.dnb.com/business-directory/company-profiles.pryaniki_ooo.13b676c626e38d534f… (Third Party Advisory)
github.com/jet-pentest/CVE-2021-27187 (Third Party Advisory)

Frequently asked questions

What is CVE-2021-27187?: CVE-2021-27187 is a high-severity vulnerability in Xn--B1agzlht Fx Aggregator Terminal Client, classified under Insufficiently Protected Credentials. CVSS score: 7.5/10. Published 2021-02-12.
How severe is CVE-2021-27187?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-27187 known to be exploited?: 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.