- Description
- Cisco is providing an update for the ongoing investigation into observed exploitation of the web UI feature in Cisco IOS XE Software. We are updating the list of fixed releases and adding the Software Checker. Our investigation has determined that the actors exploited two previously unknown issues. The attacker first exploited CVE-2023-20198 to gain initial access and issued a privilege 15 command to create a local user and password combination. This allowed the user to log in with normal user access. The attacker then exploited another component of the web UI feature, leveraging the new local user to elevate privilege to root and write the implant to the file system. Cisco has assigned CVE-2023-20273 to this issue. CVE-2023-20198 has been assigned a CVSS Score of 10.0. CVE-2023-20273 has been assigned a CVSS Score of 7.2. Both of these CVEs are being tracked by CSCwh87343.
- Source
- ykramarz@cisco.com
- NVD status
- Analyzed
CVSS 3.1
- Type
- Primary
- Base score
- 10
- Impact score
- 6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Severity
- CRITICAL
Data from CISA
- Vulnerability name
- Cisco IOS XE Web UI Privilege Escalation Vulnerability
- Exploit added on
- Oct 16, 2023
- Exploit action due
- Oct 20, 2023
- Required action
- Verify that instances of Cisco IOS XE Web UI are in compliance with BOD 23-02 and apply mitigations per vendor instructions. For affected products (Cisco IOS XE Web UI exposed to the internet or to untrusted networks), follow vendor instructions to determine if a system may have been compromised and immediately report positive findings to CISA.
- nvd@nist.gov
- NVD-CWE-Other
- ykramarz@cisco.com
- CWE-420
- Hype score
- Not currently trending
#exploit 1. CVE-2024-20356: https://t.co/b3SJunTBHe 2. "Randar" Minecraft Exploit: Explanation and Information https://t.co/1SZ69aiDJH 3. CVE-2023-20198: Cisco IOS XE Privilege Escalation https://t.co/KibbxvO9gJ
@ksg93rd
23 Nov 2024
136 Impressions
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🚨🔍 Top 5 most exploited CVEs of 2023: 1️⃣ CVE-2023-3519 (Citrix NetScaler): Buffer overflow for remote code execution. 2️⃣ CVE-2023-4966 (Citrix NetScaler): Token leakage risk. 3️⃣ CVE-2023-20198 (Cisco IOS XE): Unauthorized admin access.
@AugustineCyber
17 Nov 2024
12 Impressions
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CISAから2023年に良く悪用された脆弱性のまとめが公開されていましたね。 2023 Top Routinely Exploited Vulnerabilities https://t.co/ulfm6a7TUz ◆CVE-2023-3519：Citrix ◆CVE-2023-4966：Citrix ◆CVE-2023-20198：Cisco ◆CVE-2023-20273：Cisco ◆CVE-2023-27997：Fortinet… https://t.co/5hY9DKZUl3 https://t.co/G9ylY3EdvP
@taku888infinity
13 Nov 2024
1354 Impressions
1 Retweet
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