CVE-2023-27875Network attack vector

Unauthenticated password changes via improperly issued token

Published Mar 16, 2023 · Updated Feb 26, 2025

Improper access control in IBM Aspera Faspex 5.0.4 allows remote attackers to change another user's password through a token. The faspx_core component issues an unauthenticated token and accepts it to authorize a password change for a different account. No account or user interaction is required, and successful exploitation compromises the integrity of the targeted account's credentials.

CVSS severity7.5
High
EPSS probability0.56%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in IBM Aspera Faspex 5.0.4 allows remote attackers to change another user's password through a token. The faspx_core component issues an unauthenticated token and accepts it to authorize a password change for a different account. No account or user interaction is required, and successful exploitation compromises the integrity of the targeted account's credentials.

The record

CVE
CVE-2023-27875
Published
Mar 16, 2023
Updated
Feb 26, 2025
Vendor
IBM
Product
IBM Aspera Faspex
Classifications
CWE-284, T1098, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 16, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 2025Record 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=5.0.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · IBM Aspera Faspexversion=5.0.4

Published CVSS scores

7.5IBM CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
7.5IBM CorporationCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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.

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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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1098Account Manipulation
T1190Exploit Public-Facing Application

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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