HIGH
Unauthorized access via krb5-telnet daemon
Published Apr 6, 2007
10.0
HIGHCVSS 2.0
EPSS 29.84%
Description
The telnet daemon (telnetd) in MIT krb5 before 1.6.1 allows remote attackers to bypass authentication and gain system access via a username beginning with a '-' character, a similar issue to CVE-2007-0882.
Affected products
No data.
Configuration 1
- < 1.6.1
Configuration 2
OR
- 3.1
- 4.0
Configuration 3
OR
- 5.10
- 6.06
- 6.10
No data.
Red Hat Enterprise Linux 2.1
krb5-0:1.2.2-44
Fixed · RHSA-2007:0095
Red Hat Enterprise Linux 3
krb5-0:1.2.7-61
Fixed · RHSA-2007:0095
Red Hat Enterprise Linux 4
krb5-0:1.3.4-46
Fixed · RHSA-2007:0095
Red Hat Enterprise Linux 5
krb5-0:1.5-23
Fixed · RHSA-2007:0095
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 2.1 | krb5-0:1.2.2-44 | Fixed | RHSA-2007:0095 |
| Red Hat Enterprise Linux 3 | krb5-0:1.2.7-61 | Fixed | RHSA-2007:0095 |
| Red Hat Enterprise Linux 4 | krb5-0:1.3.4-46 | Fixed | RHSA-2007:0095 |
| Red Hat Enterprise Linux 5 | krb5-0:1.5-23 | Fixed | RHSA-2007:0095 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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.
10.0 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
29.84% 0.29842
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.29842
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 (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 29.84% (0.29842) | 98.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 29.84% (0.29842) | 97.96th | v5 (v2026.06.15) |
| Apr 30, 2026 | 25.75% (0.25754) | 96.27th | v4 (v2025.03.14) |
| Nov 9, 2025 | 21.27% (0.21265) | 95.44th | v4 (v2025.03.14) |
| Oct 1, 2025 | 37.59% (0.37592) | 97.09th | v4 (v2025.03.14) |
| Jun 21, 2025 | 35.94% (0.35937) | 96.89th | v4 (v2025.03.14) |
| Mar 30, 2025 | 31.80% (0.31803) | 96.42th | v4 (v2025.03.14) |
| Mar 29, 2025 | 38.06% (0.38061) | 95.78th | v4 (v2025.03.14) |
| Mar 19, 2025 | 31.80% (0.31803) | 96.25th | v4 (v2025.03.14) |
| Mar 17, 2025 | 22.39% (0.22393) | 95.37th | v4 (v2025.03.14) |
| Dec 17, 2024 | 21.17% (0.21169) | 96.41th | v3 (v2023.03.01) |
| Jun 1, 2024 | 3.62% (0.03619) | 91.67th | v3 (v2023.03.01) |
| Apr 24, 2024 | 3.11% (0.03114) | 90.95th | v3 (v2023.03.01) |
| Mar 17, 2024 | 3.29% (0.03287) | 91.04th | v3 (v2023.03.01) |
| Feb 7, 2024 | 2.05% (0.02050) | 87.84th | v3 (v2023.03.01) |
| Dec 31, 2023 | 1.55% (0.01552) | 85.77th | v3 (v2023.03.01) |
| Sep 7, 2023 | 2.55% (0.02551) | 88.87th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.11% (0.01115) | 82.31th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.36% (0.04358) | 88.02th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.36% (0.04358) | 86.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.36% (0.04358) | 70.59th | v2 (v2022.01.01) |
Weaknesses (1)
References (34)
- ftp://patches.sgi.com/support/free/security/advisories/20070401-01-P.asc vendor-advisoryx_refsource_SGIBroken Link
- http://lists.suse.com/archive/suse-security-announce/2007-Apr/0001.html vendor-advisoryx_refsource_SUSEBroken Link
- http://secunia.com/advisories/24706 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/24735 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/24736 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/24740 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/24750 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/24755 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/24757 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/24785 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/24786 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/24817 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://security.gentoo.org/glsa/glsa-200704-02.xml vendor-advisoryx_refsource_GENTOOThird Party Advisory
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-102867-1 vendor-advisoryx_refsource_SUNALERTBroken Link
- http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2007-001-telnetd.txt x_refsource_CONFIRMVendor Advisory
- http://www.debian.org/security/2007/dsa-1276 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.kb.cert.org/vuls/id/220816 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:077 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2007-0095.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.securityfocus.com/archive/1/464590/100/0/threaded mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/archive/1/464666/100/0/threaded mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/archive/1/464814/30/7170/threaded mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/23281 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1017848 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/usn-449-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.us-cert.gov/cas/techalerts/TA07-093B.html third-party-advisoryx_refsource_CERTThird Party AdvisoryUS Government Resource
- http://www.vupen.com/english/advisories/2007/1218 vdb-entryx_refsource_VUPENThird Party Advisory
- http://www.vupen.com/english/advisories/2007/1249 vdb-entryx_refsource_VUPENThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2007-0956 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=229782 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33414 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2007-0956
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10046 vdb-entrysignaturex_refsource_OVALBroken LinkThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2007-0956
| Link | Providers | Tags |
|---|---|---|
| ftp://patches.sgi.com/support/free/security/advisories/20070401-01-P.asc | vendor-advisoryx_refsource_SGIBroken Link | |
| http://lists.suse.com/archive/suse-security-announce/2007-Apr/0001.html | vendor-advisoryx_refsource_SUSEBroken Link | |
| http://secunia.com/advisories/24706 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/24735 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/24736 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/24740 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/24750 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/24755 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/24757 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/24785 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/24786 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/24817 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://security.gentoo.org/glsa/glsa-200704-02.xml | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| http://sunsolve.sun.com/search/document.do?assetkey=1-26-102867-1 | vendor-advisoryx_refsource_SUNALERTBroken Link | |
| http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2007-001-telnetd.txt | x_refsource_CONFIRMVendor Advisory | |
| http://www.debian.org/security/2007/dsa-1276 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| http://www.kb.cert.org/vuls/id/220816 | third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource | |
| http://www.mandriva.com/security/advisories?name=MDKSA-2007:077 | vendor-advisoryx_refsource_MANDRIVAThird Party Advisory | |
| http://www.redhat.com/support/errata/RHSA-2007-0095.html | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| http://www.securityfocus.com/archive/1/464590/100/0/threaded | mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry | |
| http://www.securityfocus.com/archive/1/464666/100/0/threaded | mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry | |
| http://www.securityfocus.com/archive/1/464814/30/7170/threaded | mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry | |
| http://www.securityfocus.com/bid/23281 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id?1017848 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| http://www.ubuntu.com/usn/usn-449-1 | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| http://www.us-cert.gov/cas/techalerts/TA07-093B.html | third-party-advisoryx_refsource_CERTThird Party AdvisoryUS Government Resource | |
| http://www.vupen.com/english/advisories/2007/1218 | vdb-entryx_refsource_VUPENThird Party Advisory | |
| http://www.vupen.com/english/advisories/2007/1249 | vdb-entryx_refsource_VUPENThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2007-0956 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=229782 | Issue Tracking | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/33414 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry | |
| https://nvd.nist.gov/vuln/detail/CVE-2007-0956 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10046 | vdb-entrysignaturex_refsource_OVALBroken LinkThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2007-0956 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 6, 2007
Updated Aug 7, 2024
Reserved Feb 14, 2007
Link CVE-2007-0956
CISA Vulnrichment
Updated n/a