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CVE-2020-15513

20
FAUCET Score

CVE-2020-15513 describes an Incorrect Access Control vulnerability in the typo3_forum extension for TYPO3, specifically affecting versions prior to 1.2.1. This medium-severity vulnerability, rated 5.3 CVSS, allows an unauthenticated attacker to achieve low integrity impact with low attack complexity over the network. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.2.1CPE matchmatch criteria
cpe:2.3:a:mittwald:typo3_forum:*:*:*:*:*:typo3:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.85%
Probability of exploitation in next 30 days
EPSS Percentile
54.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0085 is in the 34th percentile among its peer group of 23,701 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (1)

composerpatch availablevia ghsa
Product: mittwald/typo3_forumFixed in: 1.2.1

Vendor Advisories (1)

composerGHSA-57gr-jvqr-3hwmmedium

Incorrect access control in typo3_forum

Jul 29, 2020

References

typo3.org / help/security-advisories
Third Party Advisory
typo3.org / security/advisory/typo3-ext-sa-2020-010
Third Party Advisory