Security readout for executives and security teams
Plain-English summary
CVE-2020-24901 is a reflected cross-site scripting issue in default Krpano Panorama Viewer installations up to version 1.20.8. A malicious link could cause a victim’s browser to load untrusted script through the viewer page. Business risk is mainly user-session abuse, phishing, or content manipulation on sites hosting the affected viewer.
Executive priority
Handle through normal vulnerability remediation with moderate priority, higher if the viewer is internet-facing on a trusted brand site. The issue can affect users who follow malicious links, but available evidence does not show active exploitation or server compromise.
Technical view
The CVE describes CWE-79 reflected XSS in viewer/krpano.html through the plugin[test].url parameter, tied to insecure remote JavaScript loading. CVSS 3.1 is 6.1: network reachable, low complexity, no privileges required, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure is likely limited to public or internal websites that host the default Krpano Panorama Viewer at version 1.20.8 or earlier and leave viewer/krpano.html reachable. The CVE record does not provide CPEs or a complete affected-product inventory.
Exploitation context
A public Packet Storm reference exists, but the source bundle does not show CISA KEV listing or confirmed active exploitation. Exploitation requires user interaction, typically a victim opening a crafted link to an affected viewer page. Do not treat this as actively exploited without additional evidence.
Researcher notes
The record is sparse: affected vendor/product fields are n/a, and only the description names Krpano Panorama Viewer <=1.20.8. Keep findings tied to observed deployments, not broad assumptions. Validate version, default file exposure, and whether vendor remediation exists before assigning closure.
Mitigation direction
- Inventory Krpano Panorama Viewer deployments and identify versions at or below 1.20.8.
- Check Krpano vendor guidance or release notes for the confirmed fixed version.
- Update affected viewer installations when a vendor-supported fix is confirmed.
- Restrict access to vulnerable default viewer pages if they are not required.
- Review whether untrusted remote plugin loading can be disabled safely.
Validation and detection
- Confirm whether viewer/krpano.html is present and reachable on hosted panorama sites.
- Confirm the deployed Krpano version for each exposed viewer instance.
- Review web logs for unusual access to the affected viewer parameter.
- Use only controlled, non-destructive XSS validation in an approved test environment.
- Retest after updates or configuration changes to confirm exposure is removed.
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.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2020-24901 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
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://packetstormsecurity.com/files/159477/Krpano-Panorama-Viewer-1.20.8-Cross-Site-Scripting.htmlCVE 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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.