CVE-2020-1742

Exp

An insecure modification vulnerability flaw was found in containers using nmstate/kubernetes-nmstate-handler. An attacker with access to the container could use this flaw to modify /etc/passwd and escalate their privileges. Versions before kubernetes-nmstate-handler-container-v2.3.0-30 are affected.

Published: 2021-06-07 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-1742 is rated Exploit Available (50/100): CVSS High severity, with low exploitation likelihood (EPSS 0.26%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2020-1742

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2020-1742

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.04% 0.26% +0.22%
2 2025-03-30 0.08% 0.04% -0.04%
3 2025-03-29 — 0.08% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-1742

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.0 3.1 HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.0 5.9 [email protected]
4.4 2.0 MEDIUM
AV:L/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.4 6.4 [email protected]

Weakness enumeration for CVE-2020-1742

GitHub Security Advisory for CVE-2020-1742

GHSA-jw82-xjgr-g6f8 · Severity: high · Ecosystem: go — Withdrawn Advisory: kubernetes-nmstate Insecure Privilege Management

OS Trackers for CVE-2020-1742

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2020-1742

Affected software / configurations for CVE-2020-1742

Vendor Product Version Raw CPE
nmstate kubernetes-nmstate < 2.3.0 cpe:2.3:a:nmstate:kubernetes-nmstate:*:*:*:*:*:*:*:*
redhat openshift_virtualization 2 cpe:2.3:a:redhat:openshift_virtualization:2:*:*:*:*:*:*:*

References for CVE-2020-1742

URL Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1803608 Exploit Issue Tracking Third Party Advisory
cvelogic Threat Intelligence