Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU89834
Risk: Medium
CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-20363
CWE-ID:
CWE-290 - Authentication Bypass by Spoofing
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to incorrect HTTP packet handling. A remote attacker can send specially crafted HTTP packets, bypass configured IPS rules and allow uninspected traffic onto the network.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco IOS XE: 17.12 - 17.13
FirePOWER Services: All versions
Cisco Firepower Threat Defense (FTD): All versions
Cisco 1000 Series Integrated Services Routers: All versions
4000 Series Integrated Services Routers: All versions
Catalyst 8000V Edge Software: All versions
Catalyst 8200 Series Edge Platforms: All versions
Catalyst 8300 Series Edge Platforms: All versions
Catalyst 8500L Series Edge Platforms: All versions
Cloud Services Routers 1000V Series: All versions
Integrated Services Virtual Router: All versions
Open Source Snort 3: before 3.1.69.0
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.