MEDIUM
nginx http proxy module does not verify peer identity of https origin server which could facilitate man-in-the-middle attack (MITM)
Published Nov 19, 2019
4.8
MEDIUMCVSS 3.1
EPSS 3.99%
Description
nginx http proxy module does not verify peer identity of https origin server which could facilitate man-in-the-middle attack (MITM)
Affected products
-
- Version through 1.6.2StatusaffectedConstraints-
- Version
Configuration 1
Configuration 2
- 8.0
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.
4.8 MEDIUM NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact Low
Integrity Impact Low
Availability Impact None
No CVSS v3.0 score for this CVE.
5.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.99% 0.03989
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03989
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.99% (0.03989) | 90.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.99% (0.03989) | 89.14th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.25% (0.00254) | 46.74th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.51% (0.00508) | 77.31th | v3 (v2023.03.01) |
| Apr 16, 2024 | 0.40% (0.00400) | 73.28th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.42% (0.00420) | 73.51th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.42% (0.00420) | 70.17th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
Weaknesses (1)
References (7)
- http://www.openwall.com/lists/oss-security/2013/01/03/8 x_refsource_MISCMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/57139 x_refsource_MISCThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/cve-2011-4968 x_refsource_MISCBroken Link
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4968 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2011-4968 x_refsource_MISCIssue TrackingThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80952 x_refsource_MISCThird Party AdvisoryVDB Entry
- https://security-tracker.debian.org/tracker/CVE-2011-4968 x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2013/01/03/8 | x_refsource_MISCMailing ListPatchThird Party Advisory | |
| http://www.securityfocus.com/bid/57139 | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/cve-2011-4968 | x_refsource_MISCBroken Link | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4968 | x_refsource_MISCIssue TrackingPatchThird Party Advisory | |
| https://bugzilla.suse.com/show_bug.cgi?id=CVE-2011-4968 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/80952 | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| https://security-tracker.debian.org/tracker/CVE-2011-4968 | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Nov 19, 2019
Updated Aug 7, 2024
Reserved Dec 23, 2011
Link CVE-2011-4968
CISA Vulnrichment
Updated n/a