|CVSS Meta Temp Score|
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|Current Exploit Price (≈)|
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|CTI Interest Score|
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A vulnerability was found in netmask Package up to 1.0.6 on npm (NPM Package). It has been declared as critical. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-20. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Improper input validation of octal strings in netmask npm package v1.0.6 and below allows unauthenticated remote attackers to perform indeterminate SSRF, RFI, and LFI attacks on many of the dependent packages. A remote unauthenticated attacker can bypass packages relying on netmask to filter IPs and reach critical VPN or LAN hosts.
The weakness was disclosed 04/02/2021 as SICK-2021-011. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-28918 since 03/19/2021. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/07/2021).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
CVSSv3VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.2
VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 9.1
NVD Vector: 🔒
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
NVD Base Score: 🔒
ExploitingClass: Privilege escalation
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceThreat: 🔍
CountermeasuresRecommended: no mitigation known
0-Day Time: 🔒
Timeline03/19/2021 CVE assigned
04/01/2021 +13 days VulDB entry created
04/02/2021 +0 days Advisory disclosed
04/07/2021 +5 days VulDB last update
CVE: CVE-2021-28918 (🔒)
EntryCreated: 04/02/2021 01:21 AM
Updated: 04/07/2021 06:20 PM
Changes: (18) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore vulnerability_cvss2_nvd_basescore vulnerability_cvss3_nvd_basescore
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