CVE-2021-46660

Name: CVE-2021-46660
Creator: NVD / NIST
Published: 2022-01-30T00:15:07.56+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.15%

Last modified Jun 17, 2026

CVE-2021-46660 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Signiant Manager+Agents before 15.1 allows XML External Entity (XXE) attacks.. EPSS estimates a 1.15% chance of exploitation in the next 30 days.

Description

Signiant Manager+Agents before 15.1 allows XML External Entity (XXE) attacks.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.15%

62.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-611

Affected Software

Vendor	Product	Versions
Signiant	Manager\+Agents	< 15.1

References

https://help.signiant.com/flight-deck/general/release-notes-15-1Release Notes, Vendor Advisory
https://www.signiant.com/technology/security/Vendor Advisory
https://help.signiant.com/flight-deck/general/release-notes-15-1Release Notes, Vendor Advisory
https://www.signiant.com/technology/security/Vendor Advisory

Timeline

Published: Jan 30, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-46660?

Signiant Manager+Agents before 15.1 allows XML External Entity (XXE) attacks.

How severe is CVE-2021-46660?

CVE-2021-46660 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.

How do I fix CVE-2021-46660?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-46660?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST