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Threats / ImageMagick / CVE-2016-3715
CVE-2016-3715 · EUVD no mirror located · GCVE no mirror located Verified 2026-06-22

ImageMagick vulnerability

ImageMagick contains an improper access control vulnerability in its ephemeral pseudo protocol that allows deletion of arbitrary files.

Verdict

Today item — known-exploited.

An attacker can exploit ImageMagick's ephemeral pseudo protocol to delete files on a system where ImageMagick processes untrusted image input, leading to data loss or denial of service.

CISA KEV Yes · 2021-11-033EPSS 0.75383 (verify live)4
01

Is it exploitable?

— the evidence, ranked above the score
Reported exploitation
1 independent public report of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
cisa.gov ↗Confirmed
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03).
CISA KEV ↗Confirmed
Probability (EPSS)
EPSS 0.75383 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: ImageMagick, ImageMagick. Confirm exact fixed builds in the vendor advisory.
NVD ↗Reported
Weakness (CWE)
Mapped to CWE-284 Improper Access Control — weakness family: Authorization / access control.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
NVD ↗Reported
WeaknessCWE-284 · Improper Access ControlAuthorization / access control
02

Who’s exploiting it?

— attribution turns risk into urgency
Attribution not established

No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.

03

Why it matters

— the attack path, told twice: adversary, then board
1

Front door — unauthenticated access narrative 1

Attacker
I craft a malicious image file that references the ephemeral protocol with a target file path.
Business
The organization loses critical data or experiences service disruption when ImageMagick processes the image.
2

Keys to the kingdom — privilege/identity takeover narrative 2

Attacker
I submit the image to a web service or application that automatically processes images using ImageMagick.
Business
The application's file integrity is compromised, potentially affecting backups, logs, or configuration files.
3

Lateral reach — past segmentation narrative 3

Attacker
I trigger file deletion through image processing workflows without requiring direct file system access.
Business
The organization faces unplanned downtime and potential compliance violations due to unauthorized data destruction.
04

What to do

— defensible action
  • Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05

Coverage & confidence

— what we know, and what we don’t

Established (cited)

  • KEV listing (CISA)
  • EPSS probability (FIRST)
  • 1 reported-exploitation source(s)
  • CWE weakness mapping (NVD)
  • Catalogued by redhat (CNA)
  • Coverage gaps — stated, not hidden

  • No EUVD / GCVE mirror in feed — single-authority dependency for the identifier.
  • EPSS & exposure are time-varying; verify live at the source.
  • Threat-actor attribution not established from feed data — absence of a name is not absence of compromise.
  • No finder/reporter credit recorded in the public CVE entry — the work behind this find is unattributed.
  • Disclosure & credit2
    Catalogued by redhatCNA
    Credited with finding itNo finder named in the public CVE record — the work behind this find is unattributed.