github - ghsa-hcxw-prp6-q3jq

GHSA-HCXW-PRP6-Q3JQ

Vulnerability from github – Published: 2022-05-24 17:48 – Updated: 2025-10-22 00:32

Details

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.

Severity ?

10.0 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2021-22893"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287",
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-04-23T17:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "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.",
  "id": "GHSA-hcxw-prp6-q3jq",
  "modified": "2025-10-22T00:32:07Z",
  "published": "2022-05-24T17:48:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-22893"
    },
    {
      "type": "WEB",
      "url": "https://blog.pulsesecure.net/pulse-connect-secure-security-update"
    },
    {
      "type": "WEB",
      "url": "https://kb.cert.org/vuls/id/213092"
    },
    {
      "type": "WEB",
      "url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22893"
    },
    {
      "type": "WEB",
      "url": "https://www.fireeye.com/blog/threat-research/2021/04/suspected-apt-actors-leverage-bypass-techniques-pulse-secure-zero-day.html"
    },
    {
      "type": "WEB",
      "url": "https://www.kb.cert.org/vuls/id/213092"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-22893 (GCVE-0-2021-22893)

Vulnerability from cvelistv5 – Published: 2021-04-23 16:29 – Updated: 2025-10-21 23:25

Summary

Severity ?

10 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE

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

Assigner

hackerone

References

URL

Tags

	https://kb.pulsesecure.net/articles/Pulse_Securit…	x_refsource_MISC
	https://blog.pulsesecure.net/pulse-connect-secure…	x_refsource_MISC
	https://www.fireeye.com/blog/threat-research/2021…	x_refsource_MISC
	https://kb.cert.org/vuls/id/213092	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	Pulse Connect Secure	Affected: PCS 9.0R3 or above, PCS 9.1R1 and above

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-HCXW-PRP6-Q3JQ

CVE-2021-22893 (GCVE-0-2021-22893)

Tags

Sightings

Nomenclature