CVE-2023-27538

🗓️ 30 Mar 2023 00:00:00Reported by hackeroneType

An authentication bypass vulnerability exists in libcurl prior to v8.0.0 due to improper handling of SSH connection reuse

Reporter	Title	Published	Views	Family All 177
FreeBSD	curl -- multiple vulnerabilities	20 Mar 202300:00	–	freebsd
IBM Security Bulletins	Security Bulletin: Multiple vulnerabilities in Curl affect PowerSC	15 Jun 202317:06	–	ibm
IBM Security Bulletins	Security Bulletin: cURL as used by IBM QRadar WinCollect Agent contains multiple vulnerabilities	8 Jun 202321:14	–	ibm
IBM Security Bulletins	Security Bulletin: IBM InfoSphere Information Server is affected by multiple vulnerabilities in Progress DataDirect Connect for ODBC	26 Mar 202503:49	–	ibm
IBM Security Bulletins	Security Bulletin: Vulnerabilities in cURL libcurl might affect IBM Spectrum Copy Data Management	15 Sep 202313:29	–	ibm
IBM Security Bulletins	Security Bulletin: IBM® Engineering Requirements Management DOORS/DWA vulnerabilities addressed in 9.7.2.8	18 Oct 202407:56	–	ibm
IBM Security Bulletins	Security Bulletin: Multiple publicly disclosed Libcurl vulnerabilities affect IBM Safer Payments	16 May 202322:43	–	ibm
IBM Security Bulletins	Security Bulletin: IBM Cloud Transformation Advisor is vulnerable to multiple vulnerabilities	26 May 202314:13	–	ibm
IBM Security Bulletins	Security Bulletin: IBM Storage Ceph is vulnerable to Improper Authentication in the RHEL UBI (CVE-2023-27538)	18 Jan 202421:45	–	ibm
IBM Security Bulletins	Security Bulletin: Multiple vulnerabilities in cURL libcurl affect AIX	29 Jun 202316:05	–	ibm

NVD

Vulners

Node

haxx libcurlRange7.16.1–8.0.0

Node

fedoraproject fedoraMatch36

Node

debian debian_linuxMatch10.0

Node

netapp active_iq_unified_managerMatch-vmware_vsphere

netapp clustered_data_ontapMatch9.0-

broadcom brocade_fabric_operating_system_firmwareMatch-

Node

netapp h300s_firmwareMatch-

AND

netapp h300sMatch-

Node

netapp h500s_firmwareMatch-

AND

netapp h500sMatch-

Node

netapp h700s_firmwareMatch-

AND

netapp h700sMatch-

Node

netapp h410s_firmwareMatch-

AND

netapp h410sMatch-

Node

splunk universal_forwarderRange8.2.0–8.2.12

splunk universal_forwarderRange9.0.0–9.0.6

splunk universal_forwarderMatch9.1.0

[
  {
    "vendor": "n/a",
    "product": "https://github.com/curl/curl",
    "versions": [
      {
        "version": "Fixed in 8.0.0",
        "status": "affected"
      }
    ]
  }
]

Source	Link
hackerone	www.hackerone.com/reports/1898475
security	www.security.gentoo.org/glsa/202310-12
lists	www.lists.debian.org/debian-lts-announce/2023/04/msg00025.html
security	www.security.netapp.com/advisory/ntap-20230420-0010/

09 Jun 2025 15:15Current

7.1High risk

Vulners AI Score7.1

CVSS 3.15.5 - 7.7

EPSS0.00012

SSVC