Answer in brief
CVE-2023-20273 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Cisco/Cisco IOS XE Software (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Cisco/Cisco IOS XE Software (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Cisco/Cisco IOS XE Softwaregeneric | 16.1.1 || 16.1.2 || 16.1.3 || 16.2.1 || 16.2.2 || 16.3.1 || 16.3.2 || 16.3.3 || 16.3.1a || 16.3.4 || 16.3.5 || 16.3.5b || 16.3.6 || 16.3.7 || 16.3.8 || 16.3.9 || 16.3.10 || 16.3.11 || 16.4.1 || 16.4.2 || 16.4.3 || 16.5.1 || 16.5.1a || 16.5.1b || 16.5.2 || 16.5.3 || 16.6.1 || 16.6.2 || 16.6.3 || 16.6.4 || 16.6.5 || 16.6.4a || 16.6.5a || 16.6.6 || 16.6.7 || 16.6.8 || 16.6.9 || 16.6.10 || 16.7.1 || 16.7.1a || 16.7.1b || 16.7.2 || 16.7.3 || 16.7.4 || 16.8.1 || 16.8.1a || 16.8.1b || 16.8.1s || 16.8.1c || 16.8.1d || 16.8.2 || 16.8.1e || 16.8.3 || 16.9.1 || 16.9.2 || 16.9.1a || 16.9.1b || 16.9.1s || 16.9.3 || 16.9.4 || 16.9.3a || 16.9.5 || 16.9.5f || 16.9.6 || 16.9.7 || 16.9.8 || 16.10.1 || 16.10.1a || 16.10.1b || 16.10.1s || 16.10.1c || 16.10.1e || 16.10.1d || 16.10.2 || 16.10.1f || 16.10.1g || 16.10.3 || 16.11.1 || 16.11.1a || 16.11.1b || 16.11.2 || 16.11.1s || 16.12.1 || 16.12.1s || 16.12.1a || 16.12.1c || 16.12.1w || 16.12.2 || 16.12.1y || 16.12.2a || 16.12.3 || 16.12.8 || 16.12.2s || 16.12.1x || 16.12.1t || 16.12.4 || 16.12.3s || 16.12.3a || 16.12.4a || 16.12.5 || 16.12.6 || 16.12.1z1 || 16.12.5a || 16.12.5b || 16.12.1z2 || 16.12.6a || 16.12.7 || 16.12.9 || 16.12.10 || 17.1.1 || 17.1.1a || 17.1.1s || 17.1.1t || 17.1.3 || 17.2.1 || 17.2.1r || 17.2.1a || 17.2.1v || 17.2.2 || 17.2.3 || 17.3.1 || 17.3.2 || 17.3.3 || 17.3.1a || 17.3.1w || 17.3.2a || 17.3.1x || 17.3.1z || 17.3.4 || 17.3.5 || 17.3.4a || 17.3.6 || 17.3.4b || 17.3.4c || 17.3.5a || 17.3.5b || 17.3.7 || 17.3.8 || 17.4.1 || 17.4.2 || 17.4.1a || 17.4.1b || 17.4.2a || 17.5.1 || 17.5.1a || 17.5.1b || 17.5.1c || 17.6.1 || 17.6.2 || 17.6.1w || 17.6.1a || 17.6.1x || 17.6.3 || 17.6.1y || 17.6.1z || 17.6.3a || 17.6.4 || 17.6.1z1 || 17.6.5 || 17.6.6 || 17.7.1 || 17.7.1a || 17.7.1b || 17.7.2 || 17.10.1 || 17.10.1a || 17.10.1b || 17.8.1 || 17.8.1a || 17.9.1 || 17.9.1w || 17.9.2 || 17.9.1a || 17.9.1x || 17.9.1y || 17.9.3 || 17.9.2a || 17.9.1x1 || 17.9.3a || 17.9.4 || 17.9.1y1 || 17.11.1 || 17.11.1a || 17.12.1 || 17.12.1a || 17.11.99SW | Not reported |
Published upstream
Oct 24, 2023
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Oct 23, 2023
Evidence: source:kev:kev:kev:recordA vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to inject commands with the privileges of root. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web UI. A successful exploit could allow the attacker to inject commands to the underlying operating system with root privileges.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2023-20273 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Cisco/Cisco IOS XE Software (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Cisco/Cisco IOS XE Software (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Cisco/Cisco IOS XE Softwaregeneric | 16.1.1 || 16.1.2 || 16.1.3 || 16.2.1 || 16.2.2 || 16.3.1 || 16.3.2 || 16.3.3 || 16.3.1a || 16.3.4 || 16.3.5 || 16.3.5b || 16.3.6 || 16.3.7 || 16.3.8 || 16.3.9 || 16.3.10 || 16.3.11 || 16.4.1 || 16.4.2 || 16.4.3 || 16.5.1 || 16.5.1a || 16.5.1b || 16.5.2 || 16.5.3 || 16.6.1 || 16.6.2 || 16.6.3 || 16.6.4 || 16.6.5 || 16.6.4a || 16.6.5a || 16.6.6 || 16.6.7 || 16.6.8 || 16.6.9 || 16.6.10 || 16.7.1 || 16.7.1a || 16.7.1b || 16.7.2 || 16.7.3 || 16.7.4 || 16.8.1 || 16.8.1a || 16.8.1b || 16.8.1s || 16.8.1c || 16.8.1d || 16.8.2 || 16.8.1e || 16.8.3 || 16.9.1 || 16.9.2 || 16.9.1a || 16.9.1b || 16.9.1s || 16.9.3 || 16.9.4 || 16.9.3a || 16.9.5 || 16.9.5f || 16.9.6 || 16.9.7 || 16.9.8 || 16.10.1 || 16.10.1a || 16.10.1b || 16.10.1s || 16.10.1c || 16.10.1e || 16.10.1d || 16.10.2 || 16.10.1f || 16.10.1g || 16.10.3 || 16.11.1 || 16.11.1a || 16.11.1b || 16.11.2 || 16.11.1s || 16.12.1 || 16.12.1s || 16.12.1a || 16.12.1c || 16.12.1w || 16.12.2 || 16.12.1y || 16.12.2a || 16.12.3 || 16.12.8 || 16.12.2s || 16.12.1x || 16.12.1t || 16.12.4 || 16.12.3s || 16.12.3a || 16.12.4a || 16.12.5 || 16.12.6 || 16.12.1z1 || 16.12.5a || 16.12.5b || 16.12.1z2 || 16.12.6a || 16.12.7 || 16.12.9 || 16.12.10 || 17.1.1 || 17.1.1a || 17.1.1s || 17.1.1t || 17.1.3 || 17.2.1 || 17.2.1r || 17.2.1a || 17.2.1v || 17.2.2 || 17.2.3 || 17.3.1 || 17.3.2 || 17.3.3 || 17.3.1a || 17.3.1w || 17.3.2a || 17.3.1x || 17.3.1z || 17.3.4 || 17.3.5 || 17.3.4a || 17.3.6 || 17.3.4b || 17.3.4c || 17.3.5a || 17.3.5b || 17.3.7 || 17.3.8 || 17.4.1 || 17.4.2 || 17.4.1a || 17.4.1b || 17.4.2a || 17.5.1 || 17.5.1a || 17.5.1b || 17.5.1c || 17.6.1 || 17.6.2 || 17.6.1w || 17.6.1a || 17.6.1x || 17.6.3 || 17.6.1y || 17.6.1z || 17.6.3a || 17.6.4 || 17.6.1z1 || 17.6.5 || 17.6.6 || 17.7.1 || 17.7.1a || 17.7.1b || 17.7.2 || 17.10.1 || 17.10.1a || 17.10.1b || 17.8.1 || 17.8.1a || 17.9.1 || 17.9.1w || 17.9.2 || 17.9.1a || 17.9.1x || 17.9.1y || 17.9.3 || 17.9.2a || 17.9.1x1 || 17.9.3a || 17.9.4 || 17.9.1y1 || 17.11.1 || 17.11.1a || 17.12.1 || 17.12.1a || 17.11.99SW | Not reported |
Published upstream
Oct 24, 2023
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Oct 23, 2023
Evidence: source:kev:kev:kev:recordA vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to inject commands with the privileges of root. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web UI. A successful exploit could allow the attacker to inject commands to the underlying operating system with root privileges.
Quoted source text, attributed separately from HOL analysis.