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01 Record

CVE-2019-5102

An exploitable information leak vulnerability exists in the ustream-ssl library of OpenWrt, versions 18.06.4 and 15.05.1. When connecting to a remote server, the server's SSL certificate is checked

MediumPUBLISHEDCNA: talos
CNA base score4.0 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
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02 Description

An exploitable information leak vulnerability exists in the ustream-ssl library of OpenWrt, versions 18.06.4 and 15.05.1. When connecting to a remote server, the server's SSL certificate is checked

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
0.75% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 54.4% of scored records. A rank, not a probability.
NVD base score
5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
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
2019-11-18 17:59Z6 YR AGO
Last updated
2024-08-04 19:47Z2 YR AGO
Reserved
2019-01-04
Assigning CNA
talos
Record state
PUBLISHED
Severity
Medium (CVSS 4.0)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
Weaknesses
  • CWE-295Improper Certificate ValidationBase
Data version
5.1
Document digest
3a4e75d38ccf6cedfcea468982067e2c75ecb19d795ed5b6b877e5c736670d53

05 Affected products

VendorProductVersionsPlatforms
OpenWRTOpenWRTOpenWrt 15.05.1, via wget (busybox), OpenWrt 18.06.4, via wget (uclient-fetch)—

06 References