Security readout for executives and security teams
Plain-English summary
CVE-2021-30049 reports a cross-site scripting issue in SysAid 20.3.64 b14 involving the /KeepAlive.jsp?stamp= URI. If exploitable in a deployed instance, an attacker could run browser-side script in a user context. The public record does not provide CVSS scoring, confirmed exploitation, or vendor fix details.
Executive priority
Set priority after confirming whether affected SysAid versions are deployed and exposed. Internet-facing helpdesk systems deserve faster review because XSS can affect privileged users, but the public evidence does not justify declaring emergency severity alone.
Technical view
The CVE description identifies XSS through the SysAid KeepAlive.jsp stamp URI in version 20.3.64 b14. The source bundle does not specify whether the flaw is reflected, stored, or DOM-based, nor does it document authentication requirements, exploit preconditions, or patched versions.
Likely exposure
Exposure is limited by the available evidence to SysAid 20.3.64 b14 systems where the affected KeepAlive.jsp endpoint is reachable. Broader version impact is not established in the provided sources.
Exploitation context
The CVE is not listed as CISA KEV in the bundle, and no cited source confirms active exploitation. Public detail is sparse, so treat exploitability and real-world activity as unconfirmed.
Researcher notes
Key gaps are severity, affected version range, authentication context, XSS class, and remediation status. Use the CVE and referenced disclosure as starting points, but validate findings against vendor guidance before making vulnerability management decisions.
Mitigation direction
- Inventory SysAid deployments and confirm whether version 20.3.64 b14 is present.
- Check SysAid vendor guidance or support channels for patched versions or official remediation.
- Restrict SysAid administrative access to trusted networks or VPN where operationally feasible.
- Review web application firewall or gateway controls for unsafe requests to KeepAlive.jsp.
- Prioritize upgrade planning if affected versions are confirmed.
Validation and detection
- Confirm exact SysAid product version on all internet-facing and internal instances.
- Check whether /KeepAlive.jsp is reachable from untrusted networks.
- Review logs for suspicious requests targeting /KeepAlive.jsp with unusual stamp values.
- Verify whether SysAid has published remediation applicable to the installed version.
- Document any compensating access controls protecting the SysAid web interface.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2021-30049 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://eh337.net/2021/03/30/sysaid/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.