HIGH
Pedro Lineu Orso chetcpasswd before 2.4 relies on the X-Forwarded-For HTTP header when verifying a client's status on an IP address ACL, which allows remote attackers to gain unauthorized access by spoofing this header
Published Dec 21, 2006
7.5
HIGHCVSS 3.1
EPSS 2.11%
Description
Pedro Lineu Orso chetcpasswd before 2.4 relies on the X-Forwarded-For HTTP header when verifying a client's status on an IP address ACL, which allows remote attackers to gain unauthorized access by spoofing this header.
Affected products
No data.
- < 2.4
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.11% 0.02110
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02110
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 (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.11% (0.02110) | 81.12th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.07% (0.02067) | 78.86th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.24% (0.01242) | 77.42th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.40% (0.02403) | 75.08th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.24% (0.01242) | 77.89th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.52% (0.01524) | 87.56th | v3 (v2023.03.01) |
| May 15, 2024 | 1.52% (0.01524) | 86.98th | v3 (v2023.03.01) |
| Jan 25, 2024 | 1.08% (0.01080) | 82.74th | v3 (v2023.03.01) |
| Dec 2, 2023 | 1.06% (0.01060) | 82.37th | v3 (v2023.03.01) |
| Oct 25, 2023 | 1.21% (0.01212) | 83.73th | v3 (v2023.03.01) |
| Sep 17, 2023 | 1.27% (0.01268) | 84.06th | v3 (v2023.03.01) |
| Aug 10, 2023 | 1.34% (0.01337) | 84.37th | v3 (v2023.03.01) |
| May 25, 2023 | 1.30% (0.01304) | 83.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.08% (0.01082) | 82.05th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
Weaknesses (1)
References (7)
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=394454 x_refsource_MISCMailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=116371297325564&w=2 mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory
- http://secunia.com/advisories/22967 third-party-advisoryx_refsource_SECUNIABroken LinkPermissions RequiredThird Party Advisory
- http://sourceforge.net/project/shownotes.php?group_id=68912&release_id=466649 x_refsource_CONFIRMProduct
- http://www.osvdb.org/30544 vdb-entryx_refsource_OSVDBBroken Link
- http://www.securityfocus.com/bid/21102 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/30451 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=394454 | x_refsource_MISCMailing ListThird Party Advisory | |
| http://marc.info/?l=bugtraq&m=116371297325564&w=2 | mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory | |
| http://secunia.com/advisories/22967 | third-party-advisoryx_refsource_SECUNIABroken LinkPermissions RequiredThird Party Advisory | |
| http://sourceforge.net/project/shownotes.php?group_id=68912&release_id=466649 | x_refsource_CONFIRMProduct | |
| http://www.osvdb.org/30544 | vdb-entryx_refsource_OSVDBBroken Link | |
| http://www.securityfocus.com/bid/21102 | vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/30451 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 21, 2006
Updated Aug 7, 2024
Reserved Dec 21, 2006
Link CVE-2006-6679
CISA Vulnrichment
Updated n/a