CVE-2007-2768
CVE-2007-2768 is a medium-severity vulnerability in Openbsd Openssh with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.
Key facts
- Severity: Medium (CVSS 2.0 base score 4.3)
- EPSS exploit prediction: 9% (94th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-200
- Affected product: Openbsd Openssh
- Published:
- Last modified:
Description
OpenSSH, when using OPIE (One-Time Passwords in Everything) for PAM, allows remote attackers to determine the existence of certain user accounts, which displays a different response if the user account exists and is configured to use one-time passwords (OTP), a similar issue to CVE-2007-2243.
Frequently asked questions
- What is CVE-2007-2768?
- OpenSSH, when using OPIE (One-Time Passwords in Everything) for PAM, allows remote attackers to determine the existence of certain user accounts, which displays a different response if the user account exists and is configured to use one-time passwords (OTP), a similar issue to CVE-2007-2243.
- How severe is CVE-2007-2768?
- CVE-2007-2768 has a CVSS 2.0 base score of 4.3, rated medium severity.
- Is CVE-2007-2768 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2007-2768?
- CVE-2007-2768 primarily affects Openbsd Openssh. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2007-2768?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2007-2768 published?
- CVE-2007-2768 was published on 2007-05-21 and last updated on 2026-06-16.
References
- http://archives.neohapsis.com/archives/fulldisclosure/2007-04/0635.html
- http://www.osvdb.org/34601
- https://security.netapp.com/advisory/ntap-20191107-0002/
Affected products (5)
- cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*
- cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:*
More vulnerabilities in Openbsd Openssh
- CVE-2003-0786 — Critical (CVSS 10.0): The SSH1 PAM challenge response authentication in OpenSSH 3.7.1 and 3.7.1p1, when Privilege Separation is disabled,…
- CVE-2003-0693 — Critical (CVSS 10.0): A "buffer management error" in buffer_append_space of buffer.c for OpenSSH before 3.7 may allow remote attackers to…
- CVE-2002-0640 — Critical (CVSS 10.0): Buffer overflow in sshd in OpenSSH 2.3.1 through 3.3 may allow remote attackers to execute arbitrary code via a large…
- CVE-2001-0144 — Critical (CVSS 10.0): CORE SDI SSH1 CRC-32 compensation attack detector allows remote attackers to execute arbitrary commands on an SSH…
- CVE-2000-0999 — Critical (CVSS 10.0): Format string vulnerabilities in OpenBSD ssh program (and possibly other BSD-based operating systems) allow attackers…
- CVE-2000-0525 — Critical (CVSS 10.0): OpenSSH does not properly drop privileges when the UseLogin option is enabled, which allows local users to execute…
All CVEs affecting Openbsd Openssh →
Other CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities
- CVE-2026-27604 — Critical (CVSS 10.0): FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version…
- CVE-2026-40965 — Critical (CVSS 10.0): Cloud Foundry UAA versions v76.12.0 through v78.12.0 are vulnerable to a private key exposure. The server contains a…
- CVE-2026-42826 — Critical (CVSS 10.0): Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose…
- CVE-2025-29270 — Critical (CVSS 10.0): Incorrect access control in the realtime.cgi endpoint of Deep Sea Electronics devices DSE855 v1.1.0 to v1.1.26 allows…
- CVE-2025-61481 — Critical (CVSS 10.0): An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by…
- CVE-2025-53624 — Critical (CVSS 10.0): The Docusaurus gists plugin adds a page to your Docusaurus instance, displaying all public gists of a GitHub user.…
Browse all CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities →
Threat intelligence
Threat-intel indicators referencing this CVE:
- 152.32.208.73 (ipv4-addr)
- 165.154.11.52 (ipv4-addr)
- 165.154.11.170 (ipv4-addr)
- 152.32.202.244 (ipv4-addr)
- 150.107.38.40 (ipv4-addr)
- 95.59.142.69 (ipv4-addr)
- 165.154.182.179 (ipv4-addr)
- 152.32.217.163 (ipv4-addr)