CVE-2021-3773 — Sensitive Information Exposure in Oracle Communications Cloud Native Core Network Exposure Function
Severity
9.8CRITICALNVD
EPSS
0.7%
top 29.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedFeb 16
Latest updateFeb 14
Description
A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for further use in traditional network attacks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9
Affected Packages6 packages
Also affects: Fedora 34, Enterprise Linux 6.0, 7.0, 8.0
Patches
🔴Vulnerability Details
3GHSA▶
GHSA-3xjv-m925-6jcj: A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for further use in traditional network a↗2022-02-17
CVEList▶
CVE-2021-3773: A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for further use in traditional network a↗2022-02-16
OSV▶
CVE-2021-3773: A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for further use in traditional network a↗2022-02-16
📋Vendor Advisories
5Microsoft▶
A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for further use in traditional network attacks.↗2022-02-08
Red Hat▶
kernel: lack of port sanity checking in natd and netfilter leads to exploit of OpenVPN clients↗2021-09-08
Oracle▶
Oracle Oracle Financial Services Applications Risk Matrix: Order Management (Spring Web Services) — CVE-2019-3773↗2021-04-15
Oracle▶
Oracle Oracle Financial Services Applications Risk Matrix: Infrastructure (Spring Web Services) — CVE-2019-3773↗2021-01-15