Cisco iOS
CVEs (951)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2012-0381 | Hig | 0.49 | 7.5 | 0.04 | Mar 29, 2012 | The IKEv1 implementation in Cisco IOS 12.2 through 12.4 and 15.0 through 15.2 and IOS XE 2.1.x through 2.6.x and 3.1.xS through 3.4.xS before 3.4.2S, 3.5.xS before 3.5.1S, and 3.2.xSG before 3.2.2SG allows remote attackers to cause a denial of service (device reload) by sending… | ||
| CVE-2011-2058 | Hig | 0.49 | 7.5 | 0.02 | Oct 22, 2011 | The cat6000-dot1x component in Cisco IOS 12.2 before 12.2(33)SXI7 does not properly handle an external loop between a pair of dot1x enabled ports, which allows remote attackers to cause a denial of service (traffic storm) via unspecified vectors that trigger many unicast EAPoL… | ||
| CVE-2011-2057 | Hig | 0.49 | 7.5 | 0.02 | Oct 22, 2011 | The cat6000-dot1x component in Cisco IOS 12.2 before 12.2(33)SXI7 does not properly handle (1) a loop between a dot1x enabled port and an open-authentication dot1x enabled port and (2) a loop between a dot1x enabled port and a non-dot1x port, which allows remote attackers to… | ||
| CVE-2011-1640 | Hig | 0.49 | 7.5 | 0.02 | Oct 22, 2011 | The ethernet-lldp component in Cisco IOS 12.2 before 12.2(33)SXJ1 does not properly support a large number of LLDP Management Address (MA) TLVs, which allows remote attackers to cause a denial of service (device crash) via crafted LLDPDUs, aka Bug ID CSCtj22354. | ||
| CVE-2011-3280 | Hig | 0.49 | 7.5 | 0.02 | Oct 3, 2011 | Memory leak in the NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (memory consumption or device reload) by sending crafted SIP packets to UDP port 5060, aka Bug ID CSCtj04672. | ||
| CVE-2002-1706 | Hig | 0.49 | 7.5 | 0.01 | Dec 31, 2002 | Cisco IOS software 11.3 through 12.2 running on Cisco uBR7200 and uBR7100 series Universal Broadband Routers allows remote attackers to modify Data Over Cable Service Interface Specification (DOCSIS) settings via a DOCSIS file without a Message Integrity Check (MIC) signature,… | ||
| CVE-2025-43520 | Med | 0.48 | 5.5 | 0.00 | KEV | Dec 12, 2025 | A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. A malicious application may… | |
| CVE-2025-31238 | Hig | 0.48 | 7.3 | 0.01 | May 12, 2025 | The issue was addressed with improved checks. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. Processing maliciously crafted web content may lead to memory corruption. | ||
| CVE-2017-3849 | Hig | 0.48 | 7.4 | 0.01 | Mar 21, 2017 | A vulnerability in the Autonomic Networking Infrastructure (ANI) registrar feature of Cisco IOS Software (possibly 15.2 through 15.6) and Cisco IOS XE Software (possibly 3.7 through 3.18, and 16) could allow an unauthenticated, adjacent attacker to cause a denial of service… | ||
| CVE-2016-6474 | Hig | 0.48 | 7.3 | 0.01 | Dec 14, 2016 | A vulnerability in the implementation of X.509 Version 3 for SSH authentication functionality in Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to bypass authentication on an affected system. More Information: CSCuv89417. Known Affected Releases:… | ||
| CVE-2026-43656 | Hig | 0.47 | 7.3 | 0.00 | May 11, 2026 | An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Parsing a maliciously crafted file may lead to an unexpected app… | ||
| CVE-2026-43655 | Hig | 0.47 | 7.3 | 0.00 | May 11, 2026 | An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. An app may be able to cause unexpected system termination or read kernel memory. | ||
| CVE-2012-0384 | Hig | 0.47 | 7.2 | 0.04 | Mar 29, 2012 | Cisco IOS 12.2 through 12.4 and 15.0 through 15.2 and IOS XE 2.1.x through 2.6.x and 3.1.xS before 3.1.2S, 3.2.xS through 3.4.xS before 3.4.2S, 3.5.xS before 3.5.1S, and 3.1.xSG and 3.2.xSG before 3.2.2SG, when AAA authorization is enabled, allow remote authenticated users to… | ||
| CVE-2026-28941 | Hig | 0.46 | 7.1 | 0.00 | May 11, 2026 | The issue was addressed with improved checks. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Tahoe 26.5. Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents. | ||
| CVE-2026-20641 | Hig | 0.46 | 7.1 | 0.00 | Feb 11, 2026 | A privacy issue was addressed with improved checks. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to identify what other apps… | ||
| CVE-2026-20628 | Hig | 0.46 | 7.1 | 0.00 | Feb 11, 2026 | A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to break out of… | ||
| CVE-2026-20617 | Hig | 0.46 | 7.0 | 0.00 | Feb 11, 2026 | A race condition was addressed with improved state handling. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to gain root privileges. | ||
| CVE-2026-20606 | Hig | 0.46 | 7.1 | 0.00 | Feb 11, 2026 | This issue was addressed by removing the vulnerable code. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An app may be able to bypass certain Privacy preferences. | ||
| CVE-2025-43338 | Hig | 0.46 | 7.1 | 0.00 | Nov 4, 2025 | An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26 and iPadOS 26, macOS Sonoma 14.8.2, macOS Sonoma 14.8.4, macOS Tahoe 26. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process… | ||
| CVE-2025-43224 | Hig | 0.46 | 7.1 | 0.00 | Jul 30, 2025 | An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory. |
- risk 0.49cvss 7.5epss 0.04
The IKEv1 implementation in Cisco IOS 12.2 through 12.4 and 15.0 through 15.2 and IOS XE 2.1.x through 2.6.x and 3.1.xS through 3.4.xS before 3.4.2S, 3.5.xS before 3.5.1S, and 3.2.xSG before 3.2.2SG allows remote attackers to cause a denial of service (device reload) by sending…
- risk 0.49cvss 7.5epss 0.02
The cat6000-dot1x component in Cisco IOS 12.2 before 12.2(33)SXI7 does not properly handle an external loop between a pair of dot1x enabled ports, which allows remote attackers to cause a denial of service (traffic storm) via unspecified vectors that trigger many unicast EAPoL…
- risk 0.49cvss 7.5epss 0.02
The cat6000-dot1x component in Cisco IOS 12.2 before 12.2(33)SXI7 does not properly handle (1) a loop between a dot1x enabled port and an open-authentication dot1x enabled port and (2) a loop between a dot1x enabled port and a non-dot1x port, which allows remote attackers to…
- risk 0.49cvss 7.5epss 0.02
The ethernet-lldp component in Cisco IOS 12.2 before 12.2(33)SXJ1 does not properly support a large number of LLDP Management Address (MA) TLVs, which allows remote attackers to cause a denial of service (device crash) via crafted LLDPDUs, aka Bug ID CSCtj22354.
- risk 0.49cvss 7.5epss 0.02
Memory leak in the NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (memory consumption or device reload) by sending crafted SIP packets to UDP port 5060, aka Bug ID CSCtj04672.
- risk 0.49cvss 7.5epss 0.01
Cisco IOS software 11.3 through 12.2 running on Cisco uBR7200 and uBR7100 series Universal Broadband Routers allows remote attackers to modify Data Over Cable Service Interface Specification (DOCSIS) settings via a DOCSIS file without a Message Integrity Check (MIC) signature,…
- risk 0.48cvss 5.5epss 0.00
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. A malicious application may…
- risk 0.48cvss 7.3epss 0.01
The issue was addressed with improved checks. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. Processing maliciously crafted web content may lead to memory corruption.
- risk 0.48cvss 7.4epss 0.01
A vulnerability in the Autonomic Networking Infrastructure (ANI) registrar feature of Cisco IOS Software (possibly 15.2 through 15.6) and Cisco IOS XE Software (possibly 3.7 through 3.18, and 16) could allow an unauthenticated, adjacent attacker to cause a denial of service…
- risk 0.48cvss 7.3epss 0.01
A vulnerability in the implementation of X.509 Version 3 for SSH authentication functionality in Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to bypass authentication on an affected system. More Information: CSCuv89417. Known Affected Releases:…
- risk 0.47cvss 7.3epss 0.00
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Parsing a maliciously crafted file may lead to an unexpected app…
- risk 0.47cvss 7.3epss 0.00
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. An app may be able to cause unexpected system termination or read kernel memory.
- risk 0.47cvss 7.2epss 0.04
Cisco IOS 12.2 through 12.4 and 15.0 through 15.2 and IOS XE 2.1.x through 2.6.x and 3.1.xS before 3.1.2S, 3.2.xS through 3.4.xS before 3.4.2S, 3.5.xS before 3.5.1S, and 3.1.xSG and 3.2.xSG before 3.2.2SG, when AAA authorization is enabled, allow remote authenticated users to…
- risk 0.46cvss 7.1epss 0.00
The issue was addressed with improved checks. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Tahoe 26.5. Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents.
- risk 0.46cvss 7.1epss 0.00
A privacy issue was addressed with improved checks. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to identify what other apps…
- risk 0.46cvss 7.1epss 0.00
A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to break out of…
- risk 0.46cvss 7.0epss 0.00
A race condition was addressed with improved state handling. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to gain root privileges.
- risk 0.46cvss 7.1epss 0.00
This issue was addressed by removing the vulnerable code. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An app may be able to bypass certain Privacy preferences.
- risk 0.46cvss 7.1epss 0.00
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26 and iPadOS 26, macOS Sonoma 14.8.2, macOS Sonoma 14.8.4, macOS Tahoe 26. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process…
- risk 0.46cvss 7.1epss 0.00
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.
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