VulnSocial

CVE-2021-48017

LOWCVSS 8.7 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

OrbiTeam BSCW Server 5.x before 5.2.5 and 7.x before 7.4.4 contains an unauthenticated path traversal vulnerability in the style_name parameter of the theme operation. Attackers can send GET requests to /pub/bscw.cgi/<id>?op=theme with ../ sequences in style_name to read local files such as /etc/passwd. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-22.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-22

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-10-25: 110-25
Referenced assets1 URL
Full discourse1 post
  • Cyber Threat Observatory | Alan Turing Institute@TuringCyberObs

    Tier 1: CVE-2021-48017 affects OrbiTeam BSCW Server. The unauthenticated path traversal is actively exploited in the wild and can expose local files, credentials and configuration data Analysis: https://github.com/alan-turing-institute/cyber-threat-observatory/blob/main/reports/2026-10-22/TIER_1_CVE-2021-48017.md #CyberSecurity #PathTraversal #GovernmentSecurity

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