VDB
CVE-2026-20113
CVE-2026-20113
PUBLISHED
CVSS 5.300000190734863 MEDIUM
A vulnerability in the web-based Cisco IOx application hosting environment management interface of Cisco IOS XE Software could allow an unauthenticated, remote attacker to perform a carriage return line feed (CRLF) injection attack against a user. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by sending crafted packets to an affected device. A successful exploit could allow the attacker to arbitrarily inject log entries, manipulate the structure of log files, or obscure legitimate log events.
EPSS 0.03% · 7.8th percentile
Risk Scores
CVSS 3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score
0.03%
7.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco IOS XE Software | 16.6.1, 16.6.2, 16.6.3 |
Exploit Intelligence
- CIRCL seen: CVE-2026-20113 (circl-sighting)
- CIRCL seen: CVE-2026-20113 (circl-sighting)
- cisco-sa-iox-crlf-NvgKTKJZ (circl)
Timeline
- Mar 25, 2026 Coalition ESS Score
- Mar 25, 2026 CVE Published
- Mar 26, 2026 PoC Published
- Mar 26, 2026 CVE Updated
- Mar 29, 2026 Security Advisory
- Mar 29, 2026 PoC Published
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score