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CVE-2018-5523· NVD / CVE Program· CNA f5

On F5 BIG-IP 13.1.0-13.1.0.3, 13.0.0, 12.1.0-12.1.3.1, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1 and Enterprise Manager 3.1.1, when authenti

On F5 BIG-IP 13.1.0-13.1.0.3, 13.0.0, 12.1.0-12.1.3.1, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1 and Enterprise Manager 3.1.1, when authenticated administrative users run commands in the Traffic Management User Interface (TMUI), also referred to as the BIG-IP Configuration utility, restrictions on allowed commands may not be enforced.

HighCVSS 7.2 · v3.0—No exploit No fix recorded
Published
Jun 1, 2018
Updated
Jun 16, 2026
EPSS
2.2% · 82th percentile
CWE
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JSON

Action score

29

Monitor

Low priority for now.

CVSS
28 / 40 · 7.2 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.2%

Affected systems

VendorProduct
f5big-ip application acceleration manager
f5big-ip local traffic manager
f5big-ip advanced firewall manager
f5big-ip analytics
f5big-ip access policy manager
f5big-ip application security manager
f5big-ip domain name system
f5big-ip edge gateway
f5big-ip global traffic manager
f5big-ip link controller
f5big-ip policy enforcement manager
f5big-ip webaccelerator

and 2 more

Affected versions

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

  • f5 big-ip access policy manager11.5.1 and later · up to 11.5.5 inclusive
  • f5 big-ip access policy manager11.6.1 and later · up to 11.6.3 inclusive
  • f5 big-ip access policy manager12.1.0 and later · up to 12.1.3 inclusive
  • f5 big-ip access policy manager11.2.1
  • f5 big-ip access policy manager13.0.0
  • f5 big-ip access policy manager13.1.0
  • f5 big-ip advanced firewall manager11.5.1 and later · up to 11.5.5 inclusive
  • f5 big-ip advanced firewall manager11.6.1 and later · up to 11.6.3 inclusive
  • f5 big-ip advanced firewall manager12.1.0 and later · up to 12.1.3 inclusive
  • f5 big-ip advanced firewall manager11.2.1
  • f5 big-ip advanced firewall manager13.0.0
  • f5 big-ip advanced firewall manager13.1.0
  • f5 big-ip analytics12.1.0 and later · up to 12.1.3 inclusive
  • f5 big-ip analytics11.6.1 and later · up to 11.6.3 inclusive
  • f5 big-ip analytics11.5.1 and later · up to 11.5.5 inclusive
  • f5 big-ip analytics11.2.1
  • f5 big-ip analytics13.0.0
  • f5 big-ip analytics13.1.0
  • f5 big-ip application acceleration manager11.6.1 and later · up to 11.6.3 inclusive
  • f5 big-ip application acceleration manager12.1.0 and later · up to 12.1.3 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (f5). Independent of NVD's CPE analysis and usually ahead of it.

  • F5 Networks, Inc. BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator)

    • 13.1.0-13.1.0.3, 13.0.0, 12.1.0-12.1.3.1, 11.6.1-11.6.3.1, 11.5.1-11.5.5, 11.2.1affected
  • F5 Networks, Inc. Enterprise Manager

    • 3.1.1affected

Same product

f5: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-15331On BIG-IP AAM 13.0.0 or 12.1.0-12.1.3.7, the dcdb_convert utility used by BIG-IP AAM fails to drop group permissions when executing helper s
    31Monitor
  • CVE-2018-5513On F5 BIG-IP 13.1.0-13.1.0.3, 13.0.0, 12.1.0-12.1.3.3, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1, a malformed TLS handshake causes TMM to cr
    31Monitor
  • CVE-2016-5736The default configuration of the IPsec IKE peer listener in F5 BIG-IP LTM, Analytics, APM, ASM, and Link Controller 11.2.1 before HF16, 11.4
    31Monitor
  • CVE-2016-4545Virtual servers in F5 BIG-IP 11.5.4, when SSL profiles are enabled, allow remote attackers to cause a denial of service (resource consumptio
    31Monitor
  • CVE-2018-15315On F5 BIG-IP 13.0.0-13.1.1.1 and 12.1.0-12.1.3.6, there is a reflected Cross Site Scripting (XSS) vulnerability in an undisclosed Configurat
    24Monitor
  • CVE-2018-15312On F5 BIG-IP 13.0.0-13.1.1.1 and 12.1.0-12.1.3.6, a reflected Cross-Site Scripting (XSS) vulnerability exists in an undisclosed page of the
    24Monitor

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.

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

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

—

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

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