CVE-2019-12747

mediumpriority · track · 36EPSS 0.016 · 75 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.55% (75th) EPSS

CVSS 6.5 · medium

Is it mine?

7 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

TYPO3 8.x through 8.7.26 and 9.x through 9.5.7 allows Deserialization of Untrusted Data.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 6.4

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502USprimaryCWE-502US

affected products (7)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
typo3 typo38.3.0 → 8.7.26nvdUScpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
typo3 typo39.0.0 → 9.5.7nvdUScpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
Packagist typo3/cms8.0.0 → 8.7.27osvUSpkg:composer/typo3/cms
Packagist typo3/cms9.0.0 → 9.5.8osvUSpkg:composer/typo3/cms
Packagist typo3/cms-core8.0.0 → 8.7.27osvUSpkg:composer/typo3/cms-core
Packagist typo3/cms-core9.0.0 → 9.5.8osvUSpkg:composer/typo3/cms-core

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-86hp-xrhj-fhpqTYPO3 Vulnerable to Insecure Deserialization2022-05-24ghsa · osvUS
TYPO3 8.x through 8.7.26 and 9.x through 9.5.7 allows Deserialization of Untrusted Data.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2019-07-09modified 2026-06-17

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+3739 more

references (6)

External citations — patches, advisories, analysis.

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