Skip to content
Noroxi
CVE-2018-5538· NVD / CVE Program· CNA f5

On F5 BIG-IP DNS 13.1.0-13.1.0.7, 12.1.3-12.1.3.5, DNS Express / DNS Zones accept NOTIFY messages on the management interface from source IP

On F5 BIG-IP DNS 13.1.0-13.1.0.7, 12.1.3-12.1.3.5, DNS Express / DNS Zones accept NOTIFY messages on the management interface from source IP addresses not listed in the 'Allow NOTIFY From' configuration parameter when the db variable "dnsexpress.notifyport" is set to any value other than the default of "0".

LowCVSS 3.7 · v3.0—No exploit No fix recorded
Published
Jul 25, 2018
Updated
Jun 16, 2026
EPSS
0.8% · 54th percentile
CWE
—
Follow this CVE

Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.

Report tools

JSON

Action score

14

Monitor

Low priority for now.

CVSS
14 / 40 · 3.7 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.8%

Affected systems

VendorProduct
f5big-ip domain name system
f5big-ip global traffic manager
f5big-ip local traffic manager
f5big-ip link controller

Affected versions

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

  • f5 big-ip domain name system12.1.3 and later · up to 12.1.3.5 inclusive
  • f5 big-ip domain name systemafter 13.1.0 · up to 13.1.0.7 inclusive
  • f5 big-ip global traffic manager12.1.3 and later · up to 12.1.3.5 inclusive
  • f5 big-ip global traffic manager13.1.0 and later · up to 13.1.0.7 inclusive
  • f5 big-ip link controller13.1.0 and later · up to 13.1.0.7 inclusive
  • f5 big-ip link controller12.1.3 and later · up to 12.1.3.5 inclusive
  • f5 big-ip local traffic manager12.1.3 and later · up to 12.1.3.5 inclusive
  • f5 big-ip local traffic manager13.1.0 and later · up to 13.1.0.7 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 (DNS)

    • 13.1.0-13.1.0.7, 12.1.3-12.1.3.5affected

Same product

f5: all records

Other highest-scoring records for the same primary product.

  • CVE-2015-8611BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, and PEM 12.0.0 before HF1 on the 2000, 4000, 5000, 7000, and 10000 platform
    40Plan
  • CVE-2023-28742BIG-IP iQuery mesh vulnerability
    35Monitor
  • CVE-2022-23013On BIG-IP DNS & GTM version 16.x before 16.1.0, 15.1.x before 15.1.4, 14.1.x before 14.1.4.4, and all versions of 13.1.x, 12.1.x, and 11.6.x
    35Monitor
  • CVE-2026-40061iControl REST and tmsh vulnerability
    34Monitor
  • CVE-2023-22839BIG-IP DNS profile vulnerability
    30Monitor
  • CVE-2022-41787BIG-IP DNS Express vulnerability CVE-2022-41787
    30Monitor

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.

—

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.
  • No account or password is required.
  • No user action is required.
  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
none
Integrity
low · data or configuration can be modified
Availability
none
Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

—

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/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.

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