In PHP versions 7.2.x below 7.2.30, 7.3.x below 7.3.17 and 7.4.x below 7.4.5, if PHP is compiled with EBCDIC support (uncommon), urldecode() function can be made to access locations past the allocated memory, due to erroneously using signed numbers as array indexes.
Published 2020-04-27 21:15:15
Updated 2022-05-16 19:57:47
Source PHP Group
View at NVD,   CVE.org

Products affected by CVE-2020-7067

Threat overview for CVE-2020-7067

Top countries where our scanners detected CVE-2020-7067
Top open port discovered on systems with this issue 80
IPs affected by CVE-2020-7067 242,912
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2020-7067!
*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-2020-7067

0.32%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-7067

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
NIST
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
NIST
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
PHP Group

CWE ids for CVE-2020-7067

  • The product reads data past the end, or before the beginning, of the intended buffer.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security@php.net (Secondary)
  • The product uses an unsigned primitive and performs a cast to a signed primitive, which can produce an unexpected value if the value of the unsigned primitive can not be represented using a signed primitive.
    Assigned by: security@php.net (Secondary)

References for CVE-2020-7067

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