vDaemon reload via incomplete input bounds checks
Published Nov 15, 2024 · Updated Nov 15, 2024
Buffer overflow in the vDaemon service of Cisco Catalyst SD-WAN Manager allows remote authenticated users to reload the service. The service performs incomplete bounds checks on attacker-supplied data received by its listening interface, allowing a buffer overflow. Valid low-privilege credentials are required; successful exploitation reloads vDaemon and interrupts its availability without crashing the host.
Summary
What happened
Buffer overflow in the vDaemon service of Cisco Catalyst SD-WAN Manager allows remote authenticated users to reload the service. The service performs incomplete bounds checks on attacker-supplied data received by its listening interface, allowing a buffer overflow. Valid low-privilege credentials are required; successful exploitation reloads vDaemon and interrupts its availability without crashing the host.
The record
- CVE
- CVE-2021-1466
- Published
- Nov 15, 2024
- Updated
- Nov 15, 2024
- Vendor
- ClamAV
- Product
- Cisco Catalyst SD-WAN Manager
- Classifications
- CWE-20, T1499.004
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Nov 15, 2024CVE publishedPublication date reported by the CVE source.
- Nov 15, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=17.2.10
- Affected versionversion=17.2.4
- Affected versionversion=17.2.5
- Affected versionversion=17.2.6
- Affected versionversion=17.2.7
- Affected versionversion=17.2.8
- Affected versionversion=17.2.9
- Affected versionversion=18.2.0
- Affected versionversion=18.3.0
- Affected versionversion=18.3.1
- Affected versionversion=18.3.1.1
- Affected versionversion=18.3.3
- Affected versionversion=18.3.3.1
- Affected versionversion=18.3.4
- Affected versionversion=18.3.5
- Affected versionversion=18.3.6
- Affected versionversion=18.3.6.1
- Affected versionversion=18.3.7
- Affected versionversion=18.3.8
- Affected versionversion=18.4.0
- Affected versionversion=18.4.0.1
- Affected versionversion=18.4.1
- Affected versionversion=18.4.3
- Affected versionversion=18.4.302
- Affected versionversion=18.4.303
- Affected versionversion=18.4.4
- Affected versionversion=19.0.0
- Affected versionversion=19.0.1a
- Affected versionversion=19.1.0
- Affected versionversion=19.2.0
- Affected versionversion=19.2.097
- Affected versionversion=19.2.098
- Affected versionversion=19.2.099
- Affected versionversion=19.2.1
- Affected versionversion=19.2.2
- Affected versionversion=19.3.0
- Affected versionversion=20.1.1
- Affected versionversion=20.1.1.1
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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