Home/CVE/SysAid 20.4.74 allows XSS via the KeepAlive.jsp stamp parameter without any authentication.
CVE

CVE-2021-31862

SysAid 20.4.74 allows XSS via the KeepAlive.jsp stamp parameter without any authentication.

SysAid 20.4.74 allows XSS via the KeepAlive.jsp stamp parameter without any authentication.

MEDIUM · CVSS 6.1 EPSS 0.41302
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
sysaidall versions
⚠

Public Exploits & PoCs

2
nucleiSysAid 20.4.74 - Cross-Site Scriptingmedium
pocgithub.com · README.mdgithub.com
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD29 Oct 2021 · 11:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.sysaid.com/product/on-premise/latest-releaseRelease NotesVendor Advisory
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