What is the CVSS score of CVE-2018-1549?

CVE-2018-1549 has a CVSS 3.0 base score of 5.4 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.9%.

Is there a patch available for CVE-2018-1549?

Yes, a patch is available for CVE-2018-1549. Update the affected software to the latest version immediately.

Rational Quality Manager CVE-2018-1549

MEDIUM

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2018-07-10 psirt@us.ibm.com

XSS IBM Rational Quality Manager

5.4

CVSS 3.0 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-74 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization Input neutralization, injection prevention
Impact	CVSS score of 5.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction 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 0.9% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

IBM Rational Quality Manager 5.0 through 5.0.2 and 6.0 through 6.0.5 are vulnerable to HTTP response splitting attacks. Rated medium severity (CVSS 5.4), 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

This vulnerability is classified under CWE-74. IBM Rational Quality Manager 5.0 through 5.0.2 and 6.0 through 6.0.5 are vulnerable to HTTP response splitting attacks. A remote attacker could exploit this vulnerability using specially-crafted URL to cause the server to return a split response, once the URL is clicked. This would allow the attacker to perform further attacks, such as Web cache poisoning, cross-site scripting, and possibly obtain sensitive information. IBM X-Force ID: 142658. Affected products include: Ibm Rational Quality Manager. Version information: through 5.0.2.

Severity by source

NVD PRIMARY 5.4 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

DescriptionNVD

IBM Rational Quality Manager 5.0 through 5.0.2 and 6.0 through 6.0.5 are vulnerable to HTTP response splitting attacks. A remote attacker could exploit this vulnerability using specially-crafted URL to cause the server to return a split response, once the URL is clicked. This would allow the attacker to perform further attacks, such as Web cache poisoning, cross-site scripting, and possibly obtain sensitive information. IBM X-Force ID: 142658.

Threat Intelligence Overview

EPSS Score

0.9%

Top 44% 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 0.9%

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: +27

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Cross-Site Scripting MEDIUM

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)NVD

cpe:2.3:a:ibm:rational_quality_manager:*:*:*:*:*:*:*:*

More in Rational Quality Manager

View all

CVE-2017-1099 MEDIUM This Month

4.3 Jun 13

IBM Jazz Foundation could expose potentially sensitive information to authenticated users through stack trace error cond

CVE-2016-0326 HIGH This Week

8.8 Oct 22

IBM Rational Quality Manager (RQM) and Rational Collaborative Lifecycle Management 3.0.1.6 before iFix8, 4.x before 4.0.

CVE-2017-1103 HIGH This Week

8.1 May 10

IBM Team Concert (RTC) is vulnerable to a denial of service, caused by an XML External Entity Injection (XXE) error when

CVE-2016-9707 HIGH This Week

8.1 Mar 31

IBM Jazz Foundation is vulnerable to a denial of service, caused by an XML External Entity Injection (XXE) error when pr

CVE-2019-4252 HIGH This Week

7.5 Jun 27

IBM Rational Collaborative Lifecycle Management 6.0 through 6.0.6.1 could allow a remote attacker to traverse directorie

CVE-2015-1928 MEDIUM This Month

6.8 Jan 02

Jazz Team Server in Jazz Foundation in IBM Rational Collaborative Lifecycle Management (CLM) 3.x and 4.x before 4.0.7 IF

CVE-2018-1492 MEDIUM This Month

6.8 Jul 10

IBM Jazz Foundation products could allow a user with physical access to the system to log in as another user due to the

CVE-2021-20371 MEDIUM This Month

6.5 Jun 02

IBM Jazz Foundation and IBM Engineering products could allow a remote attacker to obtain sensitive information when an e

CVE-2018-1423 MEDIUM This Month

6.5 Jul 10

IBM Jazz Foundation products could disclose sensitive information to an authenticated attacker that could be used in fur

CVE-2018-1694 MEDIUM This Month

5.9 Nov 06

IBM Jazz applications (IBM Rational Collaborative Lifecycle Management 5.0 through 5.02 and 6.0 through 6.0.6, IBM Ratio

CVE-2014-6129 MEDIUM This Month

5.5 Mar 18

IBM Rational Jazz Team Server (JTS), as used in Rational Collaborative Lifecycle Management 3.x and 4.x before 4.0.7 iFi

CVE-2016-3014 MEDIUM This Month

5.4 Nov 30

Cross-site scripting (XSS) vulnerability in IBM Rational Collaborative Lifecycle Management 4.0 before 4.0.7 iFix11 and

Same weakness CWE-74 – Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

View all

CVE-2019-2725 CRITICAL POC

9.8

CVE-2013-2251 CRITICAL POC

9.8

CVE-2022-27924 HIGH POC

7.5

CVE-2016-4010 CRITICAL POC

9.8

CVE-2015-1592 HIGH POC

7.5

CVE-2025-20281 CRITICAL POC

10.0

CVE-2023-29525 HIGH POC

8.8

CVE-2015-7309 MEDIUM POC

6.5

Same technique XSS

View all

CVE-2017-9248 CRITICAL POC

9.8

CVE-2020-3580 MEDIUM POC

6.1

CVE-2013-1710 CRITICAL POC

10.0

CVE-2013-7389 MEDIUM POC

4.3

CVE-2021-25299 MEDIUM POC

6.1

CVE-2014-2120 MEDIUM

6.1

CVE-2023-40000 HIGH POC

8.3

CVE-2024-52875 HIGH POC

8.8

References

Advisories & patches

PATCH http://www.ibm.com/support/docview.wss?uid=ibm10716607 REF https://exchange.xforce.ibmcloud.com/vulnerabilities/142658

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back