SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

HIGH 7.8EPSS 3.03%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 2.0
7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS
3.03% probability · 87th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
zhone technologies/gpon 2520 firmware
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.