CVE-2018-20839

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

2.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 84.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2019-05-17 03:39Z7 YR AGO

Last updated

2024-08-05 12:12Z2 YR AGO

Reserved

2019-05-16

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass

Data version

5.1

Document digest

e50cec56edb03457c8d58271989d492a952e63d9d0028a052ce609e1b69434ee

• bugs.launchpad.nethttps://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1803993x_refsource_MISC
• github.comhttps://github.com/systemd/systemd/commit/9725f1a10f80f5e0ae7d9b60547458622aeb322fx_refsource_MISC
• github.comhttps://github.com/systemd/systemd/pull/12378x_refsource_MISC
• www.securityfocus.com108389http://www.securityfocus.com/bid/108389vdb-entryx_refsource_BID
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20190530-0002/x_refsource_CONFIRM
• lists.apache.org[mina-dev] 20210225 [jira] [Created] (FTPSERVER-500) Security vulnerability in common/lib/log4j-1.2.17.jarhttps://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3Emailing-listx_refsource_MLIST