CVE-2018-20436

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

1.55% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 73.4% of scored records. A rank, not a probability.

NVD base score

8.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Published

2018-12-24 20:00Z7 YR AGO

Last updated

2024-08-05 11:58Z2 YR AGO

Reserved

2018-12-24

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-918Server-Side Request Forgery (SSRF)Base

Data version

5.1

Document digest

32aab784a5cbbedac709a050de2e3818079657e2841d1765d1f3de547352aa49

• misteralfa-hack.blogspot.comhttps://misteralfa-hack.blogspot.com/2018/12/abusando-de-telegram-para-conseguir-una.htmlx_refsource_MISC
• misteralfa-hack.blogspot.comhttps://misteralfa-hack.blogspot.com/2018/12/telegram-siempre-in-middle.htmlx_refsource_MISC