CVE-2020-14192Network attack vector

SEN disclosure via Atlassian Analytics response header

Published Feb 1, 2021 · Updated Sep 16, 2024

Information disclosure in Atlassian FishEye and Crucible before 4.8.4 allows remote authenticated users to obtain the product SEN. Atlassian Analytics places the support entitlement number in the x-asen response header without suppressing it for low-privileged requests. Any authenticated network user can read the licensing identifier, with no reported ability to alter data or interrupt service.

CVSS severity4.3
Medium
EPSS probability0.87%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Atlassian FishEye and Crucible before 4.8.4 allows remote authenticated users to obtain the product SEN. Atlassian Analytics places the support entitlement number in the x-asen response header without suppressing it for low-privileged requests. Any authenticated network user can read the licensing identifier, with no reported ability to alter data or interrupt service.

The record

CVE
CVE-2020-14192
Published
Feb 1, 2021
Updated
Sep 16, 2024
Vendor
Atlassian
Product
FishEye
Classifications
CWE-200
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 1, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <4.8.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Atlassian · FishEyeversion=unspecified <4.8.4
Atlassian · Crucibleversion=unspecified <4.8.4

Published CVSS scores

4.3NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.0NVDAV:N/AC:L/Au:S/C:P/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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