CVE-2021-22893

Summary

Pulse Connect Secure 9.0R3/9.1R1 and higher is vulnerable to an authentication bypass vulnerability exposed by the Windows File Share Browser and Pulse Secure Collaboration features of Pulse Connect Secure that can allow an unauthenticated user to perform remote arbitrary code execution on the Pulse Connect Secure gateway. This vulnerability has been exploited in the wild.

Affected Software

Weaknesses

• CWE-287: Improper Authentication - Generic (CWE-287)

ADP Enrichment

CVE Program Container

Additional References

• https://www.kb.cert.org/vuls/id/213092
• https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/
• https://blog.pulsesecure.net/pulse-connect-secure-security-update/
• https://www.fireeye.com/blog/threat-research/2021/04/suspected-apt-actors-leverage-bypass-techniques-pulse-secure-zero-day.html
• https://kb.cert.org/vuls/id/213092

CISA ADP Vulnrichment

• SSVC:
• Exploitation: active
  • Automatable: yes
  • Technical Impact: total

Additional References

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22893

References

• https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/
• https://blog.pulsesecure.net/pulse-connect-secure-security-update/
• https://www.fireeye.com/blog/threat-research/2021/04/suspected-apt-actors-leverage-bypass-techniques-pulse-secure-zero-day.html
• https://kb.cert.org/vuls/id/213092

• ←Previous
• Next→