# Web Gateway vulnerabilities > Web Gateway is made by Mcafee. We track 41 published vulnerabilities listed under that exact name, across 165 versions. 1 of them is on the list of flaws known to be exploited, the newest added on 6 April 2022. Mcafee lists newer releases under their own names, such as Web Gateway Cloud Service, so check those pages too. Canonical page: https://www.precursorintelligence.com/product/mcafee/web_gateway ## At a glance - **Made by:** [Mcafee](https://www.precursorintelligence.com/vendors/mcafee) - **Published vulnerabilities:** 41 - **Known to be exploited:** 1 (listed under the name Web Gateway) - **Versions tracked:** 165 - **Most recently added to the known-exploited list:** [CVE-2021-3156](https://www.precursorintelligence.com/what-is/cve-2021-3156), 6 April 2022. We keep watching the list. ## Is Web Gateway listed under other names? Mcafee also lists Web Gateway under more specific names, such as Web Gateway Cloud Service. Flaws listed only under those names are counted on their own pages, not here. - [Web Gateway Cloud Service](https://www.precursorintelligence.com/product/mcafee/web_gateway_cloud_service): 2 published vulnerabilities ## Which versions of Web Gateway do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. - [CVE-2021-3156](https://www.precursorintelligence.com/what-is/cve-2021-3156) (Sudo Heap-Based Buffer Overflow Vulnerability): 8.2.17, 9.2.8, 10.0.4 ## Which Web Gateway vulnerabilities are being exploited? 1 flaw is on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2021-3156](https://www.precursorintelligence.com/what-is/cve-2021-3156): Sudo Heap-Based Buffer Overflow Vulnerability. High, CVSS 7.8, chance of use in 30 days >99%, known exploited since 6 April 2022. ## Which Web Gateway flaws are most likely to be used? Ranked by the latest exploit-likelihood forecast (the chance each flaw is used in an attack in the next 30 days): - [CVE-2021-3156](https://www.precursorintelligence.com/what-is/cve-2021-3156): >99%, High (CVSS 7.8), known exploited - [CVE-2019-9515](https://www.precursorintelligence.com/what-is/cve-2019-9515): 87%, High (CVSS 7.5) - [CVE-2019-9514](https://www.precursorintelligence.com/what-is/cve-2019-9514): 83%, High (CVSS 7.5) - [CVE-2019-9513](https://www.precursorintelligence.com/what-is/cve-2019-9513): 82%, High (CVSS 7.5) - [CVE-2021-3449](https://www.precursorintelligence.com/what-is/cve-2021-3449): 64%, Medium (CVSS 5.9) - [CVE-2019-9511](https://www.precursorintelligence.com/what-is/cve-2019-9511): 60%, High (CVSS 7.5) - [CVE-2019-9517](https://www.precursorintelligence.com/what-is/cve-2019-9517): 28%, High (CVSS 7.5) - [CVE-2019-9518](https://www.precursorintelligence.com/what-is/cve-2019-9518): 25%, High (CVSS 7.5) ## Questions ### How many vulnerabilities does Web Gateway have? We track 41 published vulnerabilities listed under the name Web Gateway, across 165 versions. The most recent Web Gateway flaw added to the known-exploited list is CVE-2021-3156, on 6 April 2022. ### Which Web Gateway vulnerabilities are being exploited? 1 is on the list of flaws known to be exploited. The most recently added is CVE-2021-3156. ### Why are newer Web Gateway flaws missing from this page? Mcafee also lists Web Gateway under more specific names, such as Web Gateway Cloud Service. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list. ### Which versions of Web Gateway do the exploited flaws affect? Each flaw names its own versions, usually as ranges. The newest, CVE-2021-3156, affects 8.2.17, 9.2.8, 10.0.4. The versions for every exploited flaw are listed on this page. ### How do I get alerts for Web Gateway? Create a Precursor Intelligence account and track Web Gateway. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook. ## Running Web Gateway? Precursor Intelligence keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact