ftpd.c in (1) wu-ftpd 2.4.2 and (2) ftpd in HP HP-UX B.11.11 assigns uid 0 to the FTP client in certain operating-system misconfigurations in which PAM authentication can succeed even though no passwd entry is available for a user, which allows remote attackers to gain privileges, as demonstrated by a login attempt for an LDAP account when nsswitch.conf does not specify LDAP for passwd information
Published Aug 13, 2008
10.0
HIGHCVSS 2.0
EPSS 4.46%
Description
ftpd.c in (1) wu-ftpd 2.4.2 and (2) ftpd in HP HP-UX B.11.11 assigns uid 0 to the FTP client in certain operating-system misconfigurations in which PAM authentication can succeed even though no passwd entry is available for a user, which allows remote attackers to gain privileges, as demonstrated by a login attempt for an LDAP account when nsswitch.conf does not specify LDAP for passwd information.
Affected products
Remediation
Red Hat statement
Not vulnerable. This flaw does not affect teh version of wu-ftpd as shipped in Red Hat Enterprise Linux 2.1.
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:L/Au:N/C:C/I:C/A:C
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.46% (0.04460) | 91.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.46% (0.04460) | 90.17th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.86% (0.02857) | 85.32th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.47% (0.01470) | 87.28th | v3 (v2023.03.01) |
| May 4, 2024 | 1.36% (0.01360) | 86.12th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.36% (0.01360) | 84.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
References (11)
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01525562 vendor-advisoryx_refsource_HP
- http://secunia.com/advisories/31471 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.openwall.com/lists/oss-security/2008/08/20/4 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/30666 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1020682 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2008/2364 vdb-entryx_refsource_VUPENVendor Advisory
- https://access.redhat.com/security/cve/CVE-2008-1668 Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44414 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2008-1668
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5971 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2008-1668
| Link | Providers | Tags |
|---|---|---|
| http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01525562 | vendor-advisoryx_refsource_HP | |
| http://secunia.com/advisories/31471 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.openwall.com/lists/oss-security/2008/08/20/4 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/30666 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1020682 | vdb-entryx_refsource_SECTRACK | |
| http://www.vupen.com/english/advisories/2008/2364 | vdb-entryx_refsource_VUPENVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2008-1668 | Vendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/44414 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2008-1668 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5971 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2008-1668 |
Change history (0)
No recorded changes yet.