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
Published May 21, 2007
4.3
MEDIUMCVSS 2.0
EPSS 8.62%
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.
Affected products
No data.
Configuration 2
- n/a
- n/a
- n/a
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. OPIE for PAM is not shipped with Red Hat Enterprise Linux 2.1, 3, 4, 5, 6, or 7.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 8.62% (0.08615) | 94.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.65% (0.08654) | 94.41th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.25% (0.00247) | 46.01th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.28% (0.00278) | 69.13th | v3 (v2023.03.01) |
| Mar 24, 2024 | 0.26% (0.00261) | 65.15th | v3 (v2023.03.01) |
| Oct 23, 2023 | 0.23% (0.00234) | 61.22th | v3 (v2023.03.01) |
| Sep 15, 2023 | 0.20% (0.00204) | 57.87th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.19% (0.00194) | 55.37th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
References (6)
- http://archives.neohapsis.com/archives/fulldisclosure/2007-04/0635.html mailing-listx_refsource_FULLDISCBroken Link
- http://www.osvdb.org/34601 vdb-entryx_refsource_OSVDBBroken Link
- https://access.redhat.com/security/cve/CVE-2007-2768 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2007-2768
- https://security.netapp.com/advisory/ntap-20191107-0002/ x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2007-2768
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/fulldisclosure/2007-04/0635.html | mailing-listx_refsource_FULLDISCBroken Link | |
| http://www.osvdb.org/34601 | vdb-entryx_refsource_OSVDBBroken Link | |
| https://access.redhat.com/security/cve/CVE-2007-2768 | Vendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2007-2768 | ||
| https://security.netapp.com/advisory/ntap-20191107-0002/ | x_refsource_CONFIRMThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2007-2768 |
Change history (0)
No recorded changes yet.