CVE-2020-15513

MEDIUMNVD 5.35.3—

5.3

The typo3_forum extension before 1.2.1 for TYPO3 has Incorrect Access Control.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 41.6%
KEV: Not listed

Published

July 7, 2020

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://typo3.org/help/security-advisories
cve@mitrehttps://typo3.org/security/advisory/typo3-ext-sa-2020-010
af854a3a-2127-422b-91ae-364da2661108https://typo3.org/help/security-advisories
af854a3a-2127-422b-91ae-364da2661108https://typo3.org/security/advisory/typo3-ext-sa-2020-010

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
mittwald/typo3_forum	1.0.1 ... v1.2.0 (7 versions)	1.2.1	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-863Incorrect Authorization

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 01:36 UTCEG score recompute
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:48 UTCepss_batch

Frequently asked(5)

What is CVE-2020-15513?

CVE-2020-15513 is a medium vulnerability published on July 7, 2020. The typo3_forum extension before 1.2.1 for TYPO3 has Incorrect Access Control.

When was CVE-2020-15513 disclosed?

CVE-2020-15513 was first published in the National Vulnerability Database on July 7, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-15513 actively exploited?

CVE-2020-15513 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 41.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-15513?

CVE-2020-15513 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2020-15513?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-15513, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-15513

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