What is the CVSS score of CVE-2023-27873?

CVE-2023-27873 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.8%.

Is there a patch available for CVE-2023-27873?

Yes, a patch is available for CVE-2023-27873. Update the affected software to the latest version immediately.

Aspera Faspex CVE-2023-27873

MEDIUM

2023-03-21 psirt@us.ibm.com

Information Disclosure IBM Aspera Faspex

6.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Impact	CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.8% exploitation probability (EPSS)

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AnalysisAI

IBM Aspera Faspex 4.4.2 could allow a remote authenticated attacker to obtain sensitive credential information using specially crafted XML input. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

IBM Aspera Faspex 4.4.2 could allow a remote authenticated attacker to obtain sensitive credential information using specially crafted XML input. IBM X-Force ID: 249654. Affected products include: Ibm Aspera Faspex.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionNVD

IBM Aspera Faspex 4.4.2 could allow a remote authenticated attacker to obtain sensitive credential information using specially crafted XML input. IBM X-Force ID: 249654.

Threat Intelligence Overview

EPSS Score

0.8%

Top 46% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.8%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +32

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:ibm:aspera_faspex:*:*:*:*:*:*:*:*

cpe:2.3:a:ibm:aspera_faspex:4.4.2:patch_level_1:*:*:*:*:*:*

cpe:2.3:a:ibm:aspera_faspex:4.4.2:patch_level_2:*:*:*:*:*:*

More in Aspera Faspex

View all

CVE-2023-27874 HIGH This Week

8.8 Mar 21

IBM Aspera Faspex 4.4.2 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. Rated h

CVE-2024-45098 HIGH This Week

8.1 Sep 05

IBM Aspera Faspex 5.0.0 through 5.0.9 could allow a user to bypass intended access restrictions and conduct resource mod

CVE-2023-30995 HIGH This Week

7.5 Sep 08

IBM Aspera Faspex 4.0 through 4.4.2 and 5.0 through 5.0.5 could allow a malicious actor to bypass IP whitelist restricti

CVE-2023-35906 HIGH This Week

7.5 Sep 05

IBM Aspera Faspex 5.0.5 could allow a remote attacked to bypass IP restrictions due to improper access controls. Rated h

CVE-2023-27871 HIGH This Week

7.5 Mar 21

IBM Aspera Faspex 4.4.2 could allow a remote attacker to obtain sensitive credential information for an external user, u

CVE-2023-27875 HIGH This Week

7.5 Mar 16

IBM Aspera Faspex 5.0.4 could allow a user to change other user's credentials due to improper access controls. Rated hig

CVE-2022-22497 HIGH This Week

7.5 May 24

IBM Aspera Faspex 4.4.1 and 5.0.0 could allow unauthorized access due to an incorrectly computed security token. Rated h

CVE-2025-33137 HIGH This Week

7.1 May 22

IBM Aspera Faspex 5.0.0 through 5.0.12 could allow an authenticated user to obtain sensitive information or perform unau

CVE-2025-33136 HIGH This Week

7.1 May 22

IBM Aspera Faspex 5.0.0 through 5.0.12 could allow an authenticated user to obtain sensitive information or perform unau

CVE-2024-45097 HIGH This Week

7.1 Sep 05

IBM Aspera Faspex 5.0.0 through 5.0.9 could allow a user to bypass intended access restrictions and conduct resource mod

CVE-2024-45096 MEDIUM This Month

6.5 Sep 05

IBM Aspera Faspex 5.0.0 through 5.0.9 could allow a user with access to the package to obtain sensitive information thro

CVE-2023-37398 MEDIUM This Month

5.9 Jan 29

IBM Aspera Faspex 5.0.0 through 5.0.10 does not require that users should have strong passwords by default, which makes

Same technique Information Disclosure

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CVE-2019-2725 CRITICAL POC

9.8

CVE-2021-34523 CRITICAL POC

9.0

CVE-2013-2251 CRITICAL POC

9.8

CVE-2017-5638 CRITICAL POC

9.8

CVE-2025-24813 CRITICAL POC

9.8

CVE-2025-68613 HIGH POC

8.8

CVE-2015-1701 HIGH POC

7.8

CVE-2017-0147 HIGH POC

7.5

References

Advisories & patches

PATCH https://www.ibm.com/support/pages/node/6964694 ADVISORY https://exchange.xforce.ibmcloud.com/vulnerabilities/249654

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GitHub PoC

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