minimist before 1.2.2 could be tricked into adding or modifying properties of Object.prototype using a "constructor" or "__proto__" payload.
Noroxi assessment
Priority: Monitor (action score 23/100)
- Public proof-of-concept code exists (GitHub); there is no record of exploitation in the wild.
- Probability of exploitation in the next 30 days: 1.9% (FIRST EPSS); higher than 79.8% of all records.
- Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. Special conditions such as timing or configuration are required.
- According to CISA the attack is automatable: targets can be found by mass scanning.
- Fixed version: nodejs-nodemon (AlmaLinux:8) 1.18.3-1.module_el8.3.0+2047+b07ac28e, 1.18.3-1.module_el8.3.0+2023+d2377ea3; nodejs-packaging (AlmaLinux:8) 17-3.module_el8.3.0+2023+d2377ea3, 17-3.module_el8.4.0+2521+c668cc9f, 17-3.module_el8.4.0+2224+b07ac28e; node-minimist (Debian:12) 1.2.5-1.
- Mentioned 3 times in Turkish national cyber security advisories (siberguvenlik.gov.tr).
Low priority for now. Upgrade to nodejs-nodemon (AlmaLinux:8) 1.18.3-1.module_el8.3.0+2047+b07ac28e, 1.18.3-1.module_el8.3.0+2023+d2377ea3; nodejs-packaging (AlmaLinux:8) 17-3.module_el8.3.0+2023+d2377ea3, 17-3.module_el8.4.0+2521+c668cc9f, 17-3.module_el8.4.0+2224+b07ac28e; node-minimist (Debian:12) 1.2.5-1 or later.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
Primary sources: NVD · CVE.org · FIRST EPSS
- BDU:2021-02868
- GHSA-vh95-rmgr-6w4m
- ALSA-2020:2848
- ALSA-2020:2852
- openSUSE-SU-2020:0802-1
- RHSA-2020:2362
- RHSA-2020:2847
- RHSA-2020:2848
- RHSA-2020:2849
- RHSA-2020:2852
- RHSA-2020:2895
- RHSA-2020:2992
- RHSA-2020:3042
- RHSA-2020:3084
- RHSA-2020:3247
- RLSA-2020:2848
- RLSA-2020:2852
- SUSE-RU-2020:1238-1
- SUSE-SU-2020:1568-1
- SUSE-SU-2020:1575-1
- Published
- Mar 11, 2020
- Updated
- Oct 8, 2026
- EPSS
- 1.9% · 79th percentile
- CWE
- CWE-1321
Report tools
Action score
23
Monitor
Low priority for now.
- CVSS
- 22 / 40 · 5.6 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 1.9%
CISA SSVC decision
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
Get told when this record changes
- Not in KEV: no record of exploitation in the wild
- Proof of concept exists, no weaponized module
- A fix has been released
If any of these changes, we'll tell you in the daily email digest.
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Noroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- opensuse leap15.1
- substack minimistbefore 1.2.2
Versions reported by the vendor
Affected version ranges reported by the assigning authority (snyk). Independent of NVD's CPE analysis and usually ahead of it.
n/a minimist
- All versions prior to version 1.2.2affected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| AlmaLinux:8 | nodejs-nodemon | before 1.18.3-1.module_el8.3.0+2047+b07ac28e | 1.18.3-1.module_el8.3.0+2047+b07ac28e |
| AlmaLinux:8 | nodejs-nodemon | before 1.18.3-1.module_el8.3.0+2023+d2377ea3 | 1.18.3-1.module_el8.3.0+2023+d2377ea3 |
| AlmaLinux:8 | nodejs-packaging | before 17-3.module_el8.3.0+2023+d2377ea3 | 17-3.module_el8.3.0+2023+d2377ea3 |
| AlmaLinux:8 | nodejs-packaging | before 17-3.module_el8.4.0+2521+c668cc9f | 17-3.module_el8.4.0+2521+c668cc9f |
| AlmaLinux:8 | nodejs-packaging | before 17-3.module_el8.4.0+2224+b07ac28e | 17-3.module_el8.4.0+2224+b07ac28e |
| Debian:12 | node-minimist | before 1.2.5-1 | 1.2.5-1 |
| npm | minimist | from 1.0.0 · before 1.2.3 | 1.2.3 |
| npm | minimist | before 0.2.1 | 0.2.1 |
| openSUSE:Leap 15.1 | nodejs8 | before 8.17.0-lp151.2.15.1 | 8.17.0-lp151.2.15.1 |
| Red Hat:enterprise_linux:8::appstream | nodejs | before 1:10.21.0-3.module+el8.2.0+7071+d2377ea3 | 1:10.21.0-3.module+el8.2.0+7071+d2377ea3 |
| Red Hat:enterprise_linux:8::appstream | nodejs | before 1:12.18.2-1.module+el8.2.0+7233+61d664c1 | 1:12.18.2-1.module+el8.2.0+7233+61d664c1 |
| Red Hat:enterprise_linux:8::appstream | nodejs-debuginfo | before 1:12.18.2-1.module+el8.2.0+7233+61d664c1 | 1:12.18.2-1.module+el8.2.0+7233+61d664c1 |
| Red Hat:enterprise_linux:8::appstream | nodejs-debuginfo | before 1:10.21.0-3.module+el8.2.0+7071+d2377ea3 | 1:10.21.0-3.module+el8.2.0+7071+d2377ea3 |
| Red Hat:enterprise_linux:8::appstream | nodejs-debugsource | before 1:12.18.2-1.module+el8.2.0+7233+61d664c1 | 1:12.18.2-1.module+el8.2.0+7233+61d664c1 |
| Red Hat:enterprise_linux:8::appstream | nodejs-debugsource | before 1:10.21.0-3.module+el8.2.0+7071+d2377ea3 | 1:10.21.0-3.module+el8.2.0+7071+d2377ea3 |
| Red Hat:enterprise_linux:8::appstream | nodejs-devel | before 1:12.18.2-1.module+el8.2.0+7233+61d664c1 | 1:12.18.2-1.module+el8.2.0+7233+61d664c1 |
| Red Hat:enterprise_linux:8::appstream | nodejs-devel | before 1:10.21.0-3.module+el8.2.0+7071+d2377ea3 | 1:10.21.0-3.module+el8.2.0+7071+d2377ea3 |
| Red Hat:enterprise_linux:8::appstream | nodejs-docs | before 1:12.18.2-1.module+el8.2.0+7233+61d664c1 | 1:12.18.2-1.module+el8.2.0+7233+61d664c1 |
| Red Hat:enterprise_linux:8::appstream | nodejs-docs | before 1:10.21.0-3.module+el8.2.0+7071+d2377ea3 | 1:10.21.0-3.module+el8.2.0+7071+d2377ea3 |
| Red Hat:enterprise_linux:8::appstream | nodejs-full-i18n | before 1:10.21.0-3.module+el8.2.0+7071+d2377ea3 | 1:10.21.0-3.module+el8.2.0+7071+d2377ea3 |
| Red Hat:enterprise_linux:8::appstream | nodejs-full-i18n | before 1:12.18.2-1.module+el8.2.0+7233+61d664c1 | 1:12.18.2-1.module+el8.2.0+7233+61d664c1 |
| Red Hat:enterprise_linux:8::appstream | nodejs-nodemon | before 0:1.18.3-1.module+el8+2632+6c5111ed | 0:1.18.3-1.module+el8+2632+6c5111ed |
| Red Hat:enterprise_linux:8::appstream | nodejs-packaging | before 0:17-3.module+el8+2873+aa7dfd9a | 0:17-3.module+el8+2873+aa7dfd9a |
| Red Hat:enterprise_linux:8::appstream | npm | before 1:6.14.5-1.12.18.2.1.module+el8.2.0+7233+61d664c1 | 1:6.14.5-1.12.18.2.1.module+el8.2.0+7233+61d664c1 |
+96
Same product
substack: all recordsOther highest-scoring records for the same primary product.
- CVE-2021-44906Minimist <=1.2.5 is vulnerable to Prototype Pollution via file index.js, function setKey() (lines 69-95).40Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| almalinux:nodejs-nodemon | 1.18.3-1.module_el8.3.0+2023+d2377ea3 · AlmaLinux:8 | Package registry (OSV) |
| almalinux:nodejs-packaging | 17-3.module_el8.4.0+2224+b07ac28e · AlmaLinux:8 | Package registry (OSV) |
| debian:node-minimist | 1.2.5-1 · Debian:12 | Package registry (OSV) |
| npm:minimist | 0.2.1 | Package registry (OSV) |
| npm:minimist | 1.2.3 | Package registry (OSV) |
| opensuse:nodejs8 | 8.17.0-lp151.2.15.1 · openSUSE:Leap 15.1 | Package registry (OSV) |
| red hat:jaeger | 0:v1.13.1.redhat7-1.el7 · Red Hat:service_mesh:1.0::el7 | Package registry (OSV) |
| red hat:kiali | 0:v1.0.11.redhat1-1.el7 · Red Hat:service_mesh:1.0::el7 | Package registry (OSV) |
| red hat:nodejs | 1:12.18.2-1.module+el8.1.0+7232+f8b5ede5 · Red Hat:rhel_eus:8.1::appstream | Package registry (OSV) |
| red hat:nodejs-debuginfo | 1:12.18.2-1.module+el8.1.0+7232+f8b5ede5 · Red Hat:rhel_eus:8.1::appstream | Package registry (OSV) |
| red hat:nodejs-debugsource | 1:12.18.2-1.module+el8.1.0+7232+f8b5ede5 · Red Hat:rhel_eus:8.1::appstream | Package registry (OSV) |
| red hat:nodejs-devel | 1:12.18.2-1.module+el8.1.0+7232+f8b5ede5 · Red Hat:rhel_eus:8.1::appstream | Package registry (OSV) |
| red hat:nodejs-docs | 1:12.18.2-1.module+el8.1.0+7232+f8b5ede5 · Red Hat:rhel_eus:8.1::appstream | Package registry (OSV) |
| red hat:nodejs-full-i18n | 1:12.18.2-1.module+el8.1.0+7232+f8b5ede5 · Red Hat:rhel_eus:8.1::appstream | Package registry (OSV) |
| red hat:nodejs-nodemon | 0:1.18.3-1.module+el8.1.0+3369+37ae6a45 · Red Hat:rhel_eus:8.1::appstream | Package registry (OSV) |
| red hat:nodejs-packaging | 0:17-3.module+el8.1.0+3369+37ae6a45 · Red Hat:rhel_eus:8.1::appstream | Package registry (OSV) |
| red hat:servicemesh-grafana | 0:6.2.2-36.el8 · Red Hat:service_mesh:1.0::el8 | Package registry (OSV) |
| red hat:servicemesh-grafana-prometheus | 0:6.2.2-36.el8 · Red Hat:service_mesh:1.0::el8 | Package registry (OSV) |
| rocky linux:nodejs-nodemon | 0:1.18.3-1.module+el8.3.0+101+f84c7154 · Rocky Linux:8 | Package registry (OSV) |
| rocky linux:nodejs-packaging | 0:17-3.module+el8.3.0+101+f84c7154 · Rocky Linux:8 | Package registry (OSV) |
| suse:branch-network-formula | 0.1.1583842676.2fc2fa6-3.13.2 · SUSE:Manager Server Module 4.0 | Package registry (OSV) |
| suse:cobbler | 3.0.0+git20190806.32c4bae0-7.10.2 · SUSE:Manager Server Module 4.0 | Package registry (OSV) |
| suse:dhcpd-formula | 0.1.1583829431.db6edda-3.11.2 · SUSE:Manager Server Module 4.0 | Package registry (OSV) |
| suse:grafana-formula | 0.2-4.7.2 · SUSE:Manager Server Module 4.0 | Package registry (OSV) |
| suse:image-sync-formula | 0.1.1585064259.12b97ef-3.14.2 · SUSE:Manager Server Module 4.0 | Package registry (OSV) |
| suse:patterns-suse-manager | 4.0-9.13.2 · SUSE:Manager Proxy Module 4.0 | Package registry (OSV) |
| suse:spacewalk-backend | 4.0.31-3.26.3 · SUSE:Manager Proxy Module 4.0 | Package registry (OSV) |
| suse:spacewalk-certs-tools | 4.0.16-3.18.2 · SUSE:Manager Proxy Module 4.0 | Package registry (OSV) |
| suse:spacewalk-client-tools | 4.0.13-3.16.2 · SUSE:Manager Proxy Module 4.0 | Package registry (OSV) |
| suse:spacewalk-proxy-installer | 4.0.12-3.3.2 · SUSE:Manager Proxy Module 4.0 | Package registry (OSV) |
+2
Exploit status
Proof of concept available
A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.
Evidence
- Proof-of-concept repository on GitHub ×1
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Proof-of-concept repository on GitHub | stars:0 | 2026-05-25 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- Published
- First PoC+2265 d
- TodayOct 22, 2026+2415 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
National notice (Türkiye Cybersecurity Directorate / USOM)
Official security notices citing this record; remediation advice is on the agency's page.
- TR-21-0166 · Feb 23, 2021(IBM Güvenlik Bülteni Yayınladı)
- TR-21-0157 · Feb 22, 2021(IBM Güvenlik Bülteni Yayınladı)
- TR-20-905 · Oct 30, 2020(OpenShift Güvenlik Güncellemesi)
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- Special conditions such as timing or configuration are required.
If successful
- Confidentiality
- low · data can be read
- Integrity
- low · data or configuration can be modified
- Availability
- low · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- Low
- Integrity impact
- Low
- Availability impact
- Low
Weakness class (CWE)
CWE-1321 · Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
Change log
- SSVC exploitation— → none
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.