CVE-2019-0757

A tampering vulnerability exists in the NuGet Package Manager for Linux and Mac that could allow an authenticated attacker to modify a NuGet package's folder structure, aka 'NuGet Package Manager Tampering Vulnerability'.

Published: 2019-04-09 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2019-0757 is rated Moderate Risk (52.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.70%). Mandatory action: Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2019-0757

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 5.39% 2.70% -2.69%
2 2026-01-02 7.14% 5.39% -1.75%
3 2025-11-21 7.14%

Full EPSS history (19 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-0757

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
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:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 3.6 [email protected]
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.0 2.9 [email protected]

Weakness enumeration for CVE-2019-0757

OS Trackers for CVE-2019-0757

vendor priority summary link
debian unimportant CVE-2019-0757 unimportant priority: Debian including 1 source packages (nuget), 2 status rows across 2 suites (bookworm, bullseye): resolved 2. https://security-tracker.debian.org/tracker/CVE-2019-0757
redhat high https://access.redhat.com/security/cve/CVE-2019-0757
ubuntu medium CVE-2019-0757 medium priority: Ubuntu including 1 source packages (nuget), 6 status rows across 6 suites (bionic, cosmic, disco, trusty, upstream, xenial): not-affected 3, DNE 1, ignored 1, needs-triage 1. https://ubuntu.com/security/CVE-2019-0757

Affected software / configurations for CVE-2019-0757

Vendor Product Version Raw CPE
microsoft visual_studio_2017 cpe:2.3:a:microsoft:visual_studio_2017:-:*:*:*:*:*:*:*
microsoft nuget 4.3.1 cpe:2.3:a:microsoft:nuget:4.3.1:*:*:*:*:*:*:*
microsoft nuget 4.4.2 cpe:2.3:a:microsoft:nuget:4.4.2:*:*:*:*:*:*:*
microsoft nuget 4.5.2 cpe:2.3:a:microsoft:nuget:4.5.2:*:*:*:*:*:*:*
microsoft nuget 4.6.3 cpe:2.3:a:microsoft:nuget:4.6.3:*:*:*:*:*:*:*
microsoft nuget 4.7.2 cpe:2.3:a:microsoft:nuget:4.7.2:*:*:*:*:*:*:*
microsoft nuget 4.8.2 cpe:2.3:a:microsoft:nuget:4.8.2:*:*:*:*:*:*:*
microsoft nuget 4.9.4 cpe:2.3:a:microsoft:nuget:4.9.4:*:*:*:*:*:*:*
mono-project mono_framework 5.18.0.223 cpe:2.3:a:mono-project:mono_framework:5.18.0.223:*:*:*:*:*:*:*
mono-project mono_framework 5.20.0 cpe:2.3:a:mono-project:mono_framework:5.20.0:*:*:*:*:*:*:*
microsoft .net_core_sdk 1.1 cpe:2.3:a:microsoft:.net_core_sdk:1.1:*:*:*:*:*:*:*
microsoft .net_core_sdk 2.1.500 cpe:2.3:a:microsoft:.net_core_sdk:2.1.500:*:*:*:*:*:*:*
microsoft .net_core_sdk 2.2.100 cpe:2.3:a:microsoft:.net_core_sdk:2.2.100:*:*:*:*:*:*:*
redhat enterprise_linux 8.0 cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
redhat enterprise_linux_eus 8.1 cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
redhat enterprise_linux_eus 8.2 cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
redhat enterprise_linux_eus 8.4 cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 8.2 cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 8.4 cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*
redhat enterprise_linux_server_tus 8.2 cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
redhat enterprise_linux_server_tus 8.4 cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*

References for CVE-2019-0757

cvelogic Threat Intelligence