CVE-2023-20156
published 2023-05-18CVE-2023-20156: Multiple vulnerabilities in the web-based user interface of certain Cisco Small Business Series Switches could allow an unauthenticated, remote attacker to…
PriorityP268critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
1.18%
64.1th percentile
Multiple vulnerabilities in the web-based user interface of certain Cisco Small Business Series Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or execute arbitrary code with root privileges on an affected device. These vulnerabilities are due to improper validation of requests that are sent to the web interface. For more information about these vulnerabilities, see the Details section of this advisory.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | cisco_small_business_smart_and_managed_switches | — | — |
| cisco | small_business_series_switches | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →Vulnerability is triggered via improper validation of requests sent to the web-based user interface of Cisco Small Business Series Switches; monitor for anomalous or malformed HTTP requests to the switch web UI ↗
- →Attack is unauthenticated and remote — no credentials required; any external HTTP/HTTPS traffic to the management web UI from untrusted sources should be treated as suspicious ↗
- ·Multiple related CVEs share the same advisory (cisco-sa-sg-web-multi-S9g4Nkgv); CVE-2023-20156 is one of several buffer overflow vulnerabilities tracked under Cisco Bug IDs CSCwe27386, CSCwe27393, and CSCwe27394 — ensure patching and detection scope covers all associated bugs ↗
- ·Scope is limited to 'certain Cisco Small Business Series Switches' — consult the full advisory for the exact affected product list and firmware versions before deploying detections ↗
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vendor_cisco9.8CRITICAL
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Cisco
Cisco Small Business Series Switches Buffer Overflow Vulnerabilities
vendor_cisco·2023-05-17·CVSS 9.8
CVE-2023-20024 [CRITICAL] CWE-120 Cisco Small Business Series Switches Buffer Overflow Vulnerabilities
Cisco Small Business Series Switches Buffer Overflow Vulnerabilities
Multiple vulnerabilities in the web-based user interface of certain Cisco Small Business Series Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or execute arbitrary code with root privileges on an affected device. These vulnerabilities are due to improper validation of requests that are sent to the web interface.
For more information about these vulnerabilities, see the Details section of this advisory.
Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-
Cisco
Cisco Small Business Series Switches Buffer Overflow Vulnerabilities
vendor_cisco·CVSS 3.1
CVE-2023-20156 Cisco Small Business Series Switches Buffer Overflow Vulnerabilities
CVE-2023-20156: Cisco Small Business Series Switches Buffer Overflow Vulnerabilities
Multiple vulnerabilities in the web-based user interface of certain Cisco Small Business Series Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or execute arbitrary code with root privileges on an affected device. These vulnerabilities are due to improper validation of requests that are sent to the web interface. For more information about these vulnerabilities, see the
CVSS: 3.1
CWE: CWE-120, CWE-121, CWE-122, CWE-120, CWE-121, CWE-122, CWE-200, CWE-787, CWE-120, CWE-121, CWE-122, CWE-120, CWE-121, CWE-122, CWE-200, CWE-787
Bug IDs: CSCwe27386, CSCwe27393, CSCwe27394, CSCwe27386, CSCwe27393
GHSA
GHSA-cvm9-664r-fv44: Multiple vulnerabilities in the web-based user interface of certain Cisco Small Business Series Switches could allow an unauthenticated, remote attack
ghsa_unreviewed·2023-05-18
CVE-2023-20156 [HIGH] CWE-120 GHSA-cvm9-664r-fv44: Multiple vulnerabilities in the web-based user interface of certain Cisco Small Business Series Switches could allow an unauthenticated, remote attack
Multiple vulnerabilities in the web-based user interface of certain Cisco Small Business Series Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or execute arbitrary code with root privileges on an affected device. These vulnerabilities are due to improper validation of requests that are sent to the web interface. For more information about these vulnerabilities, see the Details section of this advisory.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2023-05-18
Published