HOMEVULNERABILITIESCVE-2021-23792
CRITICAL

CVE-2021-23792

CWE-611Published: May 6, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

The package com.twelvemonkeys.imageio:imageio-metadata before 3.7.1 are vulnerable to XML External Entity (XXE) Injection due to an insecurely initialized XML parser for reading XMP Metadata. An attacker can exploit this vulnerability if they are able to supply a file (e.g. when an online profile picture is processed) with a malicious XMP segment. If the XMP metadata of the uploaded image is parsed, then the XXE vulnerability is triggered.

NVD Source

Technical Analysis

CVE-2021-23792 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

twelvemonkeys_project1 product(s)
twelvemonkeys
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/haraldk/TwelveMonkeys/commit/da4efe98bf09e1cce91b7633cb251958a200fc80
PATCHhttps://snyk.io/vuln/SNYK-JAVA-COMTWELVEMONKEYSIMAGEIO-2316763
PATCHhttps://github.com/haraldk/TwelveMonkeys/commit/da4efe98bf09e1cce91b7633cb251958a200fc80
PATCHhttps://snyk.io/vuln/SNYK-JAVA-COMTWELVEMONKEYSIMAGEIO-2316763

All References (4)

→
https://github.com/haraldk/TwelveMonkeys/commit/da4efe98bf09e1cce91b7633cb251958a200fc80Patch · Third Party Advisory
→
https://snyk.io/vuln/SNYK-JAVA-COMTWELVEMONKEYSIMAGEIO-2316763Patch · Third Party Advisory
→
https://github.com/haraldk/TwelveMonkeys/commit/da4efe98bf09e1cce91b7633cb251958a200fc80Patch · Third Party Advisory
→
https://snyk.io/vuln/SNYK-JAVA-COMTWELVEMONKEYSIMAGEIO-2316763Patch · Third Party Advisory

Quick Facts

CVE IDCVE-2021-23792
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-611
CISA KEVNo
Affected1 vendor(s)
PublishedMay 6, 2022

Related CVEs (CWE-611)

CVE-2015-9280
10.0
CVE-2023-38490
10.0
CVE-2018-1000124
10.0
CVE-2017-8110
10.0
CVE-2019-14678
10.0
CVE-2018-1000652
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-23792 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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