CVE-2015-2055 : Zhone GPON 2520 with firmware R4.0.2.566b allows remote attackers to cause a den

Zhone GPON 2520 with firmware R4.0.2.566b allows remote attackers to cause a denial of service via a long string in the oldpassword parameter.

Published 2015-02-23 17:59:12

Updated 2016-11-30 03:00:48

Source MITRE

View at NVD, CVE.org

Vulnerability category: Input validationDenial of service

Products affected by CVE-2015-2055

Zhone Technologies » Gpon 2520 Firmware » Version: R4.0.2.566b
cpe:2.3:o:zhone_technologies:gpon_2520_firmware:r4.0.2.566b:*:*:*:*:*:*:*
Matching versions
When used together with: Zhone Technologies » Gpon 2520 » Version: N/A

EPSS FAQ

22.61%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 97 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
7.8	HIGH	AV:N/AC:L/Au:N/C:N/I:N/A:C	10.0	6.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: nvd@nist.gov (Primary)

http://www.exploit-db.com/exploits/35859

Zhone GPON 2520 R4.0.2.566b - Crash (PoC)
Exploit
http://www.securityfocus.com/bid/74876

Zhone GPON CVE-2015-2055 Denial of Service Vulnerability

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