CVE-2015-8838

UnknownEPSS 1.73%

Last modified

CVE-2015-8838 is a vulnerability of currently unknown severity. ext/mysqlnd/mysqlnd.c in PHP before 5.4.43, 5.5.x before 5.5.27, and 5.6.x before 5.6.11 uses a client SSL option to mean that SSL is optional, which allows man-in-the-middle attackers to spoof servers via a cleartext-downgrade attack, a related issue to CVE-2015-3152.. EPSS estimates a 1.73% chance of exploitation in the next 30 days.

Description

ext/mysqlnd/mysqlnd.c in PHP before 5.4.43, 5.5.x before 5.5.27, and 5.6.x before 5.6.11 uses a client SSL option to mean that SSL is optional, which allows man-in-the-middle attackers to spoof servers via a cleartext-downgrade attack, a related issue to CVE-2015-3152.

Metrics

EPSS Probability
1.73%

74.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
PhpPhp5.5.0
PhpPhp5.5.1
PhpPhp5.5.2
PhpPhp5.5.3
PhpPhp5.5.4
PhpPhp5.5.5
PhpPhp5.5.6
PhpPhp5.5.7
PhpPhp5.5.8
PhpPhp5.5.9
PhpPhp5.5.10
PhpPhp5.5.11
PhpPhp5.5.12
PhpPhp5.5.13
PhpPhp5.5.14
PhpPhp5.5.15
PhpPhp5.5.16
PhpPhp5.5.17
PhpPhp5.5.18
PhpPhp5.5.19
PhpPhp5.5.20
PhpPhp5.5.21
PhpPhp5.5.22
PhpPhp5.5.23
PhpPhp5.5.24
PhpPhp5.5.25
PhpPhp5.5.26
PhpPhp5.6.0Alpha1
PhpPhp5.6.1
PhpPhp5.6.2
PhpPhp5.6.3
PhpPhp5.6.4
PhpPhp5.6.5
PhpPhp5.6.6
PhpPhp5.6.7
PhpPhp5.6.8
PhpPhp5.6.9
PhpPhp5.6.10
PhpPhp<= 5.4.42

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-8838?
ext/mysqlnd/mysqlnd.c in PHP before 5.4.43, 5.5.x before 5.5.27, and 5.6.x before 5.6.11 uses a client SSL option to mean that SSL is optional, which allows man-in-the-middle attackers to spoof servers via a cleartext-downgrade attack, a related issue to CVE-2015-3152.
How severe is CVE-2015-8838?
Severity scoring for CVE-2015-8838 is pending analysis. The EPSS model estimates a 1.73% probability of exploitation in the next 30 days.
How do I fix CVE-2015-8838?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-8838?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST