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CVE-2024-21782· NVD / CVE Program· CNA f5

BIG-IP and BIG-IQ secure copy vulnerability

BIG-IP or BIG-IQ Resource Administrators and Certificate Managers who have access to the secure copy (scp) utility but do not have access to Advanced shell (bash) can execute arbitrary commands with a specially crafted command string. This vulnerability is due to an incomplete fix for CVE-2020-5873. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

MediumCVSS 6.7 · v3.1—No exploit Fix available

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Published
Feb 14, 2024
Updated
Jun 17, 2026
EPSS
0.2% · 7th percentile
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Report tools

JSON

Action score

26

Monitor

Low priority for now.

CVSS
26 / 40 · 6.7 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
6.7
CNA · f5
6.7
agree

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

Affected systems

VendorProduct
f5big-ip access policy manager
f5big-iq centralized management
f5big-ip advanced firewall manager
f5big-ip analytics
f5big-ip application acceleration manager
f5big-ip application security manager
f5big-ip domain name system
f5big-ip fraud protection service
f5big-ip global traffic manager
f5big-ip link controller
f5big-ip local traffic manager
f5big-ip policy enforcement manager

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 manager16.1.0 and later · before 16.1.4
  • f5 big-ip access policy manager15.1.0 and later · before 15.1.9
  • f5 big-ip access policy manager17.1.0
  • f5 big-ip advanced firewall manager15.1.0 and later · before 15.1.9
  • f5 big-ip advanced firewall manager16.1.0 and later · before 16.1.4
  • f5 big-ip advanced firewall manager17.1.0
  • f5 big-ip analytics16.1.0 and later · before 16.1.4
  • f5 big-ip analytics15.1.0 and later · before 15.1.9
  • f5 big-ip analytics17.1.0
  • f5 big-ip application acceleration manager16.1.0 and later · before 16.1.4
  • f5 big-ip application acceleration manager15.1.0 and later · before 15.1.9
  • f5 big-ip application acceleration manager17.1.0
  • f5 big-ip application security manager16.1.0 and later · before 16.1.4
  • f5 big-ip application security manager15.1.0 and later · before 15.1.9
  • f5 big-ip application security manager17.1.0
  • f5 big-ip domain name system16.1.0 and later · before 16.1.4
  • f5 big-ip domain name system15.1.0 and later · before 15.1.9
  • f5 big-ip domain name system17.1.0
  • f5 big-ip fraud protection service15.1.0 and later · before 15.1.9
  • f5 big-ip fraud protection service16.1.0 and later · before 16.1.4

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 BIG-IP

    • 17.1.0 and later · before 17.1.1affected
    • 16.1.0 and later · before 16.1.4affected
    • 15.1.0 and later · before 15.1.9affected

  • F5 BIG-IQ

    • 8.0.0 and lateraffectedfixed in Hotfix-BIG-IQ-8.3.0.0.16.118-ENG.iso

Same product

f5: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-1388On F5 BIG-IP 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5.1, 14.1.x versions prior to 14.1.4.6, 13.1.x versions prior KEV
    99Now
  • CVE-2021-22986On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3 KEV
    99Now
  • CVE-2020-5902In BIG-IP versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.5, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, the Traffic Management User InteKEV
    99Now
  • CVE-2023-46747BIG-IP Configuration utility unauthenticated remote code execution vulnerabilityKEV
    98Now
  • CVE-2021-22991On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3,KEV
    87Now
  • CVE-2026-94127BIG-IP APM OAuth vulnerabilityKEV
    68This week

Remediation

Which version to upgrade to

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

Product / packageFixed versionSource
F5 BIG-IQHotfix-BIG-IQ-8.3.0.0.16.118-ENG.isoVendor (CNA)

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.

Variant candidates

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

  • CVE-2025-20029357 days apartBIG-IP iControl REST and tmsh vulnerability
    36Monitor

Chain candidates

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

  • CVE-2023-46747111 days apartBIG-IP Configuration utility unauthenticated remote code execution vulnerabilityKEV
    98Now

Bug bounty scope

No known public program.

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

Technical details

Attack conditions

  • Someone with local access to the system 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
Local
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS vector

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

nvd-primary

Root cause

User input is inserted as text into a shell command. The shell may interpret special characters in the input as part of the command.

The bug in code

The whole CWE-78 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
const host = req.body.host;exec("ping -c 1 " + host, onResult);

Fixed

ts
const host = req.body.host;if (!/^[a-z0-9.-]{1,253}$/i.test(host)) return res.sendStatus(400);execFile("ping", ["-c", "1", host], onResult);

Attack context

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

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

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

All records