CVE-2021-45905: openwrt Cross-site Scripting
CVSS: 5.4v3.1MediumModified
Published 27-12-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-45905 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in openwrt. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 42.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.4/10
010
Medium · v3.1 (NVD)EPSS score
0.52%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 27-12-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
OpenWrt 21.02.1 allows XSS via the Traffic Rules Name screen.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.4Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NSourcesSingle source
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.52%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
0.00 pp
From 0.52% on 19-09-2026
19-09-202619-10-2026
EPSS score0.52%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugs.openwrt.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Openwrt1 product
- openwrtEOL21.02.1
1 vendor · 1 product
References
1 links- bugs.openwrt.org/index.php?do=details&task_id=4199X Refsource MISCExploitIssue TrackingVendor Advisory