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Fencer Vulns
medium 6.5

CVE-2021-35050 json

User Credentials Stored in a Recoverable Format within Fidelis Network and Deception

published 2021-06-25 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-21695

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

User credentials stored in a recoverable format within Fidelis Network and Deception CommandPost. In the event that an attacker gains access to the CommandPost, these values could be decoded and used to login to the application. The vulnerability is present in Fidelis Network and Deception versions prior to 9.3.3. This vulnerability has been addressed in version 9.3.3 and subsequent versions.

Patch / fix

  • Fidelis Cybersecurity Fidelis Network 9.3.3
  • Fidelis Cybersecurity Fidelis Deception 9.3.3

Exploit prediction

1.03% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • securifera.com https://www.securifera.com/blog/2021/06/24/operation-eagle-eye/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • Fidelis Cybersecurity Fidelis Network
  • Fidelis Cybersecurity Fidelis Deception

Classification

Weakness
  • CWE-257 Storing Passwords in a Recoverable Format
  • CWE-522 Insufficiently Protected Credentials

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.