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CVE-2019-10643

31
FAUCET Score

CVE-2019-10643 describes a critical vulnerability in Contao 4.7, where the system allows the use of an expired key, leading to authentication bypass. With a CVSS score of 9.8, this flaw is easily exploitable over the network without requiring user interaction or privileges, potentially granting full control over the affected system (CWE-287). While highly severe, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
4.7.0CPE matchmatch criteria
cpe:2.3:a:contao:contao_cms:4.7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.25%
Probability of exploitation in next 30 days
EPSS Percentile
66.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0125 is in the 53rd percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: contao/contaoFixed in: 4.7.3
composerpatch availablevia ghsa
Product: contao/core-bundleFixed in: 4.7.3

Vendor Advisories (1)

composerGHSA-j99g-qjvx-995gcritical

Contao Does Not Expire Tokens Correctly

May 13, 2022

References

contao.org / en/news.html
Vendor Advisory
contao.org / en/news/security-vulnerability-cve-2019-10643.html
Vendor Advisory