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CVE-2021-38623

24
FAUCET Score

CVE-2021-38623 describes a Denial of Service vulnerability in the deferred_image_processing extension for TYPO3, affecting versions prior to 1.0.2. This flaw allows an unauthenticated attacker to exhaust disk space via the FAL API, leading to system unavailability. While rated as HIGH severity (CVSS 7.5) due to its network-based attack vector and low complexity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.2CPE matchmatch criteria
cpe:2.3:a:deferred_image_processing_project:deferred_image_processing:*:*:*:*:*:typo3:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.96%
Probability of exploitation in next 30 days
EPSS Percentile
57.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0096 is in the 33rd percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

composerpatch availablevia ghsa
Product: webcoast/deferred-image-processingFixed in: 1.0.2

Vendor Advisories (1)

composerGHSA-34jq-548x-m2x9high

Improper Resource Shutdown or Release in TYPO3 extension

Aug 30, 2021

References

typo3.org / security/advisory/typo3-ext-sa-2021-009
Vendor Advisory