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CVE-2019-4552· NVD / CVE Program· CNA ibm

IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0 are vulnerable to HTTP response splitting attacks.

IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0 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: 165960.

MediumCVSS 6.1 · v3.1—No exploit No fix recorded

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Published
Oct 15, 2020
Updated
Jun 16, 2026
EPSS
0.9% · 59th percentile
CWE
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Report tools

JSON

Action score

24

Monitor

Low priority for now.

CVSS
24 / 40 · 6.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.9%

CNA vs NVD score

NVD
6.1
CNA · ibm
6.1
agree

CVSS:3.0/AV:N/C:L/PR:N/A:N/S:C/I:L/UI:R/AC:L/RL:O/RC:C/E:U

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
ibmsecurity access manager
ibmsecurity verify access

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • ibm security access manager9.0.7.0 and later · before 9.0.7.2
  • ibm security verify access10.0.0 and later · before 10.0.0.1

Versions reported by the vendor

Affected version ranges reported by the assigning authority (ibm). Independent of NVD's CPE analysis and usually ahead of it.

  • IBM Security Access Manager

    • 9.0.7affected

  • IBM Security Verify Access

    • 10.0.0affected

Same product

ibm: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-1722IBM Security Access Manager Appliance 9.0.4.0 and 9.0.5.0 could allow remote code execution when Advanced Access Control or Federation servi
    43Plan
  • CVE-2020-4499IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0 could allow an unauthorized public Oauth client to bypass some or al
    39Monitor
  • CVE-2016-3028IBM Security Access Manager for Web 7.0 before IF2 and 8.0 before 8.0.1.4 IF3 and Security Access Manager 9.0 before 9.0.1.0 IF5 allow remot
    37Monitor
  • CVE-2019-4135IBM Security Access Manager 9.0.1 through 9.0.6 is affected by a security vulnerability that could allow authenticated users to impersonate
    35Monitor
  • CVE-2016-3025IBM Security Access Manager for Mobile 8.x before 8.0.1.4 IF3 and Security Access Manager 9.x before 9.0.1.0 IF5 do not properly restrict fa
    32Monitor
  • CVE-2023-30998IBM Security Access Manager Docker privilege escalation
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
none

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

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CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records