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CyberSigur / Security Intelligence

Known exploited vulnerabilities

Browse CISA's Known Exploited Vulnerabilities catalog. Search by CVE, vendor, or product. Information is published by the US Cybersecurity and Infrastructure Security Agency.

Official CISA source ↗CISA updated: 2026-10-29

1,764 vulnerabilities · Page 38 of 89

CVE-2023-46747Confirmed ransomware campaign use

F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability

F5 · BIG-IP Configuration Utility · Added: 2023-10-31

F5 BIG-IP Configuration utility contains an authentication bypass using an alternate path or channel vulnerability due to undisclosed requests that may allow an unauthenticated attacker with network access to the BIG-IP system through the management port and/or self IP addresses to execute system commands. This vulnerability can be used in conjunction with CVE-2023-46748.

CISA recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CVE details ↗
CVE-2023-46748

F5 BIG-IP Configuration Utility SQL Injection Vulnerability

F5 · BIG-IP Configuration Utility · Added: 2023-10-31

F5 BIG-IP Configuration utility contains an SQL injection vulnerability that may allow an authenticated attacker with network access through the BIG-IP management port and/or self IP addresses to execute system commands. This vulnerability can be used in conjunction with CVE-2023-46747.

CISA recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CVE details ↗
CVE-2023-5631

Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability

Roundcube · Webmail · Added: 2023-10-26

Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that allows a remote attacker to run malicious JavaScript code.

CISA recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CVE details ↗
CVE-2023-20273

Cisco IOS XE Web UI Command Injection Vulnerability

Cisco · Cisco IOS XE Web UI · Added: 2023-10-23

Cisco IOS XE contains a command injection vulnerability in the web user interface. When chained with CVE-2023-20198, the attacker can leverage the new local user to elevate privilege to root and write the implant to the file system. Cisco identified CVE-2023-20273 as the vulnerability exploited to deploy the implant. CVE-2021-1435, previously associated with the exploitation events, is no longer believed to be related to this activity.

CISA recommended 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.

CVE details ↗
CVE-2023-4966Confirmed ransomware campaign use

Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability

Citrix · NetScaler ADC and NetScaler Gateway · Added: 2023-10-18

Citrix NetScaler ADC and NetScaler Gateway contain a buffer overflow vulnerability that allows for sensitive information disclosure when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.

CISA recommended action

Apply mitigations and kill all active and persistent sessions per vendor instructions [https://www.netscaler.com/blog/news/cve-2023-4966-critical-security-update-now-available-for-netscaler-adc-and-netscaler-gateway/] OR discontinue use of the product if mitigations are unavailable.

CVE details ↗
CVE-2023-20198

Cisco IOS XE Web UI Privilege Escalation Vulnerability

Cisco · IOS XE Web UI · Added: 2023-10-16

Cisco IOS XE Web UI contains a privilege escalation vulnerability in the web user interface that could allow a remote, unauthenticated attacker to create an account with privilege level 15 access. The attacker can then use that account to gain control of the affected device.

CISA recommended 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.

CVE details ↗
CVE-2023-20109

Cisco IOS and IOS XE Group Encrypted Transport VPN Out-of-Bounds Write Vulnerability

Cisco · IOS and IOS XE · Added: 2023-10-10

Cisco IOS and IOS XE contain an out-of-bounds write vulnerability in the Group Encrypted Transport VPN (GET VPN) feature that could allow an authenticated, remote attacker who has administrative control of either a group member or a key server to execute malicious code or cause a device to crash.

CISA recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CVE details ↗
CVE-2023-21608

Adobe Acrobat and Reader Use-After-Free Vulnerability

Adobe · Acrobat and Reader · Added: 2023-10-10

Adobe Acrobat and Reader contains a use-after-free vulnerability that allows for code execution in the context of the current user.

CISA recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CVE details ↗
CVE-2023-36563

Microsoft WordPad Information Disclosure Vulnerability

Microsoft · WordPad · Added: 2023-10-10

Microsoft WordPad contains an unspecified vulnerability that allows for information disclosure.

CISA recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CVE details ↗
CVE-2023-41763

Microsoft Skype for Business Privilege Escalation Vulnerability

Microsoft · Skype for Business · Added: 2023-10-10

Microsoft Skype for Business contains an unspecified vulnerability that allows for privilege escalation.

CISA recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CVE details ↗
CVE-2023-44487

HTTP/2 Rapid Reset Attack Vulnerability

IETF · HTTP/2 · Added: 2023-10-10

HTTP/2 contains a rapid reset vulnerability that allows for a distributed denial-of-service attack (DDoS).

CISA recommended action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CVE details ↗
CVE-2023-22515Confirmed ransomware campaign use

Atlassian Confluence Data Center and Server Broken Access Control Vulnerability

Atlassian · Confluence Data Center and Server · Added: 2023-10-05

Atlassian Confluence Data Center and Server contains a broken access control vulnerability that allows an attacker to create unauthorized Confluence administrator accounts and access Confluence.

CISA recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check all affected Confluence instances for evidence of compromise per vendor instructions and report any positive findings to CISA.

CVE details ↗
CVE-2023-40044Confirmed ransomware campaign use

Progress WS_FTP Server Deserialization of Untrusted Data Vulnerability

Progress · WS_FTP Server · Added: 2023-10-05

Progress WS_FTP Server contains a deserialization of untrusted data vulnerability in the Ad Hoc Transfer module that allows an authenticated attacker to execute remote commands on the underlying operating system.

CISA recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CVE details ↗
CVE-2023-42824

Apple iOS and iPadOS Kernel Privilege Escalation Vulnerability

Apple · iOS and iPadOS · Added: 2023-10-05

Apple iOS and iPadOS contain an unspecified vulnerability that allows for local privilege escalation.

CISA recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CVE details ↗
CVE-2023-28229

Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability

Microsoft · Windows CNG Key Isolation Service · Added: 2023-10-04

Microsoft Windows Cryptographic Next Generation (CNG) Key Isolation Service contains an unspecified vulnerability that allows an attacker to gain specific limited SYSTEM privileges.

CISA recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CVE details ↗
CVE-2023-42793Confirmed ransomware campaign use

JetBrains TeamCity Authentication Bypass Vulnerability

JetBrains · TeamCity · Added: 2023-10-04

JetBrains TeamCity contains an authentication bypass vulnerability that allows for remote code execution on TeamCity Server.

CISA recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CVE details ↗
CVE-2023-4211

Arm Mali GPU Kernel Driver Use-After-Free Vulnerability

Arm · Mali GPU Kernel Driver · Added: 2023-10-03

Arm Mali GPU Kernel Driver contains a use-after-free vulnerability that allows a local, non-privileged user to make improper GPU memory processing operations to gain access to already freed memory.

CISA recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CVE details ↗
CVE-2023-5217

Google Chromium libvpx Heap Buffer Overflow Vulnerability

Google · Chromium libvpx · Added: 2023-10-02

Google Chromium libvpx contains a heap buffer overflow vulnerability in vp8 encoding that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could impact web browsers using libvpx, including but not limited to Google Chrome.

CISA recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CVE details ↗
CVE-2018-14667

Red Hat JBoss RichFaces Framework Expression Language Injection Vulnerability

Red Hat · JBoss RichFaces Framework · Added: 2023-09-28

Red Hat JBoss RichFaces Framework contains an expression language injection vulnerability via the UserResource resource. A remote, unauthenticated attacker could exploit this vulnerability to execute malicious code using a chain of Java serialized objects via org.ajax4jsf.resource.UserResource$UriData.

CISA recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CVE details ↗
CVE-2023-41991

Apple Multiple Products Improper Certificate Validation Vulnerability

Apple · Multiple Products · Added: 2023-09-25

Apple iOS, iPadOS, macOS, and watchOS contain an improper certificate validation vulnerability that can allow a malicious app to bypass signature validation.

CISA recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CVE details ↗
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