Security readout for executives and security teams
Plain-English summary
Bosch IP cameras using CPP Firmware can expose users to a reflected XSS issue in the web interface. An attacker who knows a camera address could send a crafted link that runs JavaScript in the victim's browser context after user interaction.
Executive priority
Treat as high priority for sites with Bosch camera administration interfaces reachable by operators or administrators. The issue needs user interaction, but successful exploitation could affect sensitive browser-context actions and data tied to camera management.
Technical view
CVE-2021-23848 is CWE-79 reflected XSS in the Bosch IP camera URL handler. CVSS 3.1 is 8.3: network reachable, no privileges required, high complexity, user interaction required, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most relevant where Bosch IP camera web interfaces are reachable by users who may receive links, especially administrator or operator browsers. The source bundle lists Bosch CPP Firmware, versions 'all', but does not provide CPEs or model-level scope.
Exploitation context
The provided sources describe link-based exploitation requiring knowledge of the camera address and user interaction. KEV is false in the bundle, and no cited source here confirms active exploitation in the wild.
Researcher notes
Evidence is limited to the CVE record and Bosch PSIRT reference in the bundle. Do not assume affected model lists, patch versions, or exploitation status without consulting the Bosch advisory directly.
Mitigation direction
- Review Bosch PSIRT advisory for fixed versions, workarounds, and model-specific scope.
- Inventory Bosch IP cameras running CPP Firmware and record firmware versions.
- Restrict camera web interface access to trusted administrative networks where possible.
- Warn camera administrators not to open unsolicited camera-interface links.
Validation and detection
- Confirm whether each Bosch IP camera runs CPP Firmware covered by the advisory.
- Check firmware versions against Bosch PSIRT guidance before declaring remediation complete.
- Review access paths to camera web interfaces from user workstations and external networks.
- Document any compensating controls if vendor updates are unavailable.
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-2021-23848 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
- High
- CVSS
- 8.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
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:H/PR:N/UI:R/S:C/C:H/I:H/A:H1.66Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.3HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://psirt.bosch.com/security-advisories/bosch-sa-478243-bt.htmlCVE reference · x_refsource_CONFIRM
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.