CRLF injection vulnerability in the FILTER_VALIDATE_EMAIL filter in ext/filter in PHP 5.2.0 and 5.2.1 allows context-dependent attackers to inject arbitrary e-mail headers via an e-mail address with a '\n' character, which causes a regular expression to ignore the subsequent part of the address string.
Published 2007-04-10 18:19:00
Updated 2017-10-11 01:32:02
Source MITRE
View at NVD,   CVE.org

Threat overview for CVE-2007-1900

Top countries where our scanners detected CVE-2007-1900
Top open port discovered on systems with this issue 80
IPs affected by CVE-2007-1900 2,823
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2007-1900!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2007-1900

0.60%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2007-1900

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:P/A:N
10.0
2.9
NIST

Vendor statements for CVE-2007-1900

  • Red Hat 2007-04-16
    Not vulnerable. The filter extension was not shipped in the versions of PHP supplied for Red Hat Enterprise Linux 2.1, 3, 4, 5, Stronghold 4.0, or Red Hat Application Stack 1.

Products affected by CVE-2007-1900

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