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01 Record

CVE-2015-2055

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.

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

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.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.03% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 87.3% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2015-02-23 17:00Z11 YR AGO
Last updated
2024-08-06 05:02Z2 YR AGO
Reserved
2015-02-23
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-20Improper Input ValidationClass
Data version
5.1
Document digest
b9bb2e48e27dae5eb9ee6942f877d5b1b3ef605fed66a4d046ac42fb3bf59e02

05 Affected products

VendorProductVersionsPlatforms
zhone_technologiesgpon_2520Not specified—
zhone_technologiesgpon_2520_firmwareNot specified—

06 References