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CVE-2009-0580

medium · 4.3

Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18, when FORM authentication is used, allows remote attackers to enumerate valid usernames via requests to /j_security_check with malformed URL encoding of passwords, related to improper error checking in the (1) MemoryRealm, (2) DataSourceRealm, and (3) JDBCRealm authentication realms, as demonstrated by a % (percent) value for the j_password parameter.

4.3
CVSS
94.4%
EPSS (exploit prob.)
100th
EPSS percentile
2009-06-05
Published

AV:N/AC:M/Au:N/C:P/I:N/A:N

Weaknesses

CWE-200

Affected products

VendorProductAffected versions
apachetomcat4.1.0
apachetomcat4.1.1
apachetomcat4.1.2
apachetomcat4.1.3
apachetomcat4.1.3
apachetomcat4.1.4
apachetomcat4.1.5
apachetomcat4.1.6
apachetomcat4.1.7
apachetomcat4.1.8
apachetomcat4.1.9
apachetomcat4.1.9
apachetomcat4.1.10
apachetomcat4.1.11
apachetomcat4.1.12
apachetomcat4.1.13
apachetomcat4.1.14
apachetomcat4.1.15
apachetomcat4.1.16
apachetomcat4.1.17
apachetomcat4.1.18
apachetomcat4.1.19
apachetomcat4.1.20
apachetomcat4.1.21
apachetomcat4.1.22
apachetomcat4.1.23
apachetomcat4.1.24
apachetomcat4.1.25
apachetomcat4.1.26
apachetomcat4.1.27
apachetomcat4.1.28
apachetomcat4.1.29
apachetomcat4.1.30
apachetomcat4.1.31
apachetomcat4.1.32
apachetomcat4.1.33
apachetomcat4.1.34
apachetomcat4.1.35
apachetomcat4.1.36
apachetomcat4.1.37

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2009-0580