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Vulnerable Software

Vulnerability Details CVE-2020-28493

This affects the package jinja2 from 0.0.0 and before 2.11.3. The ReDoS vulnerability is mainly due to the `_punctuation_re regex` operator and its use of multiple wildcards. The last wildcard is the most exploitable as it searches for trailing punctuation. This issue can be mitigated by Markdown to format user content instead of the urlize filter, or by implementing request timeouts and limiting process memory.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.002

EPSS Ranking 43.4%

CVSS Severity

CVSS v3 Score 5.3

CVSS v2 Score 5.0

References

Products affected by CVE-2020-28493

Palletsprojects » Jinja » Version: 2.0

cpe:2.3:a:palletsprojects:jinja:2.0
Palletsprojects » Jinja » Version: 2.1

cpe:2.3:a:palletsprojects:jinja:2.1
Palletsprojects » Jinja » Version: 2.1.1

cpe:2.3:a:palletsprojects:jinja:2.1.1
Palletsprojects » Jinja » Version: 2.10

cpe:2.3:a:palletsprojects:jinja:2.10
Palletsprojects » Jinja » Version: 2.10.1

cpe:2.3:a:palletsprojects:jinja:2.10.1
Palletsprojects » Jinja » Version: 2.10.2

cpe:2.3:a:palletsprojects:jinja:2.10.2
Palletsprojects » Jinja » Version: 2.10.3

cpe:2.3:a:palletsprojects:jinja:2.10.3
Palletsprojects » Jinja » Version: 2.11.0

cpe:2.3:a:palletsprojects:jinja:2.11.0
Palletsprojects » Jinja » Version: 2.11.1

cpe:2.3:a:palletsprojects:jinja:2.11.1
Palletsprojects » Jinja » Version: 2.11.2

cpe:2.3:a:palletsprojects:jinja:2.11.2
Palletsprojects » Jinja » Version: 2.2

cpe:2.3:a:palletsprojects:jinja:2.2
Palletsprojects » Jinja » Version: 2.2.1

cpe:2.3:a:palletsprojects:jinja:2.2.1
Palletsprojects » Jinja » Version: 2.3

cpe:2.3:a:palletsprojects:jinja:2.3
Palletsprojects » Jinja » Version: 2.3.1

cpe:2.3:a:palletsprojects:jinja:2.3.1
Palletsprojects » Jinja » Version: 2.4

cpe:2.3:a:palletsprojects:jinja:2.4
Palletsprojects » Jinja » Version: 2.4.1

cpe:2.3:a:palletsprojects:jinja:2.4.1
Palletsprojects » Jinja » Version: 2.5

cpe:2.3:a:palletsprojects:jinja:2.5
Palletsprojects » Jinja » Version: 2.5.1

cpe:2.3:a:palletsprojects:jinja:2.5.1
Palletsprojects » Jinja » Version: 2.5.3

cpe:2.3:a:palletsprojects:jinja:2.5.3
Palletsprojects » Jinja » Version: 2.5.4

cpe:2.3:a:palletsprojects:jinja:2.5.4
Palletsprojects » Jinja » Version: 2.5.5

cpe:2.3:a:palletsprojects:jinja:2.5.5
Palletsprojects » Jinja » Version: 2.6

cpe:2.3:a:palletsprojects:jinja:2.6
Palletsprojects » Jinja » Version: 2.7

cpe:2.3:a:palletsprojects:jinja:2.7
Palletsprojects » Jinja » Version: 2.7.1

cpe:2.3:a:palletsprojects:jinja:2.7.1
Palletsprojects » Jinja » Version: 2.7.2

cpe:2.3:a:palletsprojects:jinja:2.7.2
Palletsprojects » Jinja » Version: 2.7.3

cpe:2.3:a:palletsprojects:jinja:2.7.3
Palletsprojects » Jinja » Version: 2.8

cpe:2.3:a:palletsprojects:jinja:2.8
Palletsprojects » Jinja » Version: 2.8.1

cpe:2.3:a:palletsprojects:jinja:2.8.1
Palletsprojects » Jinja » Version: 2.9

cpe:2.3:a:palletsprojects:jinja:2.9
Palletsprojects » Jinja » Version: 2.9.1

cpe:2.3:a:palletsprojects:jinja:2.9.1
Palletsprojects » Jinja » Version: 2.9.2

cpe:2.3:a:palletsprojects:jinja:2.9.2
Palletsprojects » Jinja » Version: 2.9.3

cpe:2.3:a:palletsprojects:jinja:2.9.3
Palletsprojects » Jinja » Version: 2.9.4

cpe:2.3:a:palletsprojects:jinja:2.9.4
Palletsprojects » Jinja » Version: 2.9.5

cpe:2.3:a:palletsprojects:jinja:2.9.5
Palletsprojects » Jinja » Version: 2.9.6

cpe:2.3:a:palletsprojects:jinja:2.9.6
Fedoraproject » Fedora » Version: 33

cpe:2.3:o:fedoraproject:fedora:33

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2020-28493

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