HIGH
squid: Information disclosure in HTTP request processing
Published Jan 27, 2017
7.5
HIGHCVSS 3.0
EPSS 6.77%
Description
Incorrect processing of responses to If-None-Modified HTTP conditional requests in Squid HTTP Proxy 3.1.10 through 3.1.23, 3.2.0.3 through 3.5.22, and 4.0.1 through 4.0.16 leads to client-specific Cookie data being leaked to other clients. Attack requests can easily be crafted by a client to probe a cache for this information.
Affected products
No data.
Configuration 1
- 8.0
Configuration 2
OR
- 3.1.10
- 3.1.11
- 3.1.12
- 3.1.14
- 3.1.15
- 3.1.16
- 3.1.17
- 3.1.18
- 3.1.19
- 3.1.20
- 3.1.21
- 3.1.22
- 3.1.23
Configuration 3
OR
- 3.2.0.3
- 3.2.0.4
- 3.2.0.5
- 3.2.0.6
- 3.2.0.7
- 3.2.0.8
- 3.2.0.9
- 3.2.0.10
- 3.2.0.11
- 3.2.0.12
- 3.2.0.13
- 3.2.0.14
- 3.2.0.15
- 3.2.0.16
- 3.2.0.17
- 3.2.0.18
- 3.2.0.19
- 3.2.1
- 3.2.2
- 3.2.3
- 3.2.4
- 3.2.5
- 3.2.6
- 3.2.7
- 3.2.8
- 3.2.9
- 3.2.10
- 3.2.11
- 3.2.12
- 3.2.13
- 3.2.14
Configuration 4
OR
- 3.3.0.1
- 3.3.0.2
- 3.3.0.3
- 3.3.1
- 3.3.2
- 3.3.3
- 3.3.4
- 3.3.5
- 3.3.6
- 3.3.7
- 3.3.8
- 3.3.9
- 3.3.10
- 3.3.11
- 3.3.12
- 3.3.13
- 3.3.14
Configuration 5
OR
- 3.4.0.1
- 3.4.0.2
- 3.4.0.3
- 3.4.0.4
- 3.4.1
- 3.4.2
- 3.4.3
- 3.4.4
- 3.4.5
- 3.4.6
- 3.4.7
- 3.4.8
- 3.4.9
- 3.4.10
- 3.4.11
- 3.4.12
- 3.4.13
- 3.4.14
Configuration 6
OR
- 3.5.0.1
- 3.5.0.2
- 3.5.0.3
- 3.5.0.4
- 3.5.1
- 3.5.2
- 3.5.3
- 3.5.4
- 3.5.5
- 3.5.6
- 3.5.7
- 3.5.8
- 3.5.9
- 3.5.10
- 3.5.11
- 3.5.12
- 3.5.13
- 3.5.14
- 3.5.15
- 3.5.16
- 3.5.17
- 3.5.18
- 3.5.19
- 3.5.20
- 3.5.21
- 3.5.22
Configuration 7
OR
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.0.5
- 4.0.6
- 4.0.7
- 4.0.8
- 4.0.9
- 4.0.10
- 4.0.11
- 4.0.12
- 4.0.13
- 4.0.14
- 4.0.15
- 4.0.16
No data.
Red Hat Enterprise Linux 6
squid34-7:3.4.14-9.el6_8.4
Fixed · RHSA-2017:0183
Red Hat Enterprise Linux 7
squid-7:3.5.20-2.el7_3.2
Fixed · RHSA-2017:0182
Red Hat Enterprise Linux 5
squid
Not affected
Red Hat Enterprise Linux 6
squid
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | squid34-7:3.4.14-9.el6_8.4 | Fixed | RHSA-2017:0183 |
| Red Hat Enterprise Linux 7 | squid-7:3.5.20-2.el7_3.2 | Fixed | RHSA-2017:0182 |
| Red Hat Enterprise Linux 5 | squid | Not affected | n/a |
| Red Hat Enterprise Linux 6 | squid | Will not fix | n/a |
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.
7.5 HIGH NVD
CVSS:3.0/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
1 other source (Red Hat) ▾
5.3 MEDIUM Red Hat
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact Low
Integrity Impact None
Availability Impact None
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
6.77% 0.06766
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.06766
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 (41 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.77% (0.06766) | 93.78th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.77% (0.06766) | 93.12th | v5 (v2026.06.15) |
| Jun 3, 2026 | 14.68% (0.14676) | 94.61th | v4 (v2025.03.14) |
| May 27, 2026 | 27.05% (0.27048) | 96.45th | v4 (v2025.03.14) |
| Mar 4, 2026 | 30.07% (0.30071) | 96.56th | v4 (v2025.03.14) |
| Mar 1, 2026 | 23.26% (0.23257) | 95.86th | v4 (v2025.03.14) |
| Feb 10, 2026 | 11.39% (0.11386) | 93.39th | v4 (v2025.03.14) |
| Feb 4, 2026 | 30.07% (0.30071) | 96.53th | v4 (v2025.03.14) |
| Feb 1, 2026 | 23.26% (0.23257) | 95.83th | v4 (v2025.03.14) |
| Jan 4, 2026 | 30.07% (0.30071) | 96.50th | v4 (v2025.03.14) |
| Jan 1, 2026 | 23.26% (0.23257) | 95.81th | v4 (v2025.03.14) |
| Dec 28, 2025 | 30.07% (0.30071) | 96.49th | v4 (v2025.03.14) |
| Dec 27, 2025 | 15.89% (0.15891) | 94.56th | v4 (v2025.03.14) |
| Dec 4, 2025 | 30.07% (0.30071) | 96.47th | v4 (v2025.03.14) |
| Dec 1, 2025 | 23.26% (0.23257) | 95.76th | v4 (v2025.03.14) |
| Nov 8, 2025 | 30.07% (0.30071) | 96.44th | v4 (v2025.03.14) |
| Nov 4, 2025 | 11.39% (0.11386) | 93.24th | v4 (v2025.03.14) |
| Nov 1, 2025 | 8.17% (0.08173) | 91.83th | v4 (v2025.03.14) |
| Oct 28, 2025 | 11.39% (0.11386) | 93.23th | v4 (v2025.03.14) |
| Oct 27, 2025 | 5.17% (0.05170) | 89.44th | v4 (v2025.03.14) |
| Oct 4, 2025 | 11.66% (0.11658) | 93.40th | v4 (v2025.03.14) |
| Oct 1, 2025 | 8.38% (0.08377) | 91.99th | v4 (v2025.03.14) |
| Sep 4, 2025 | 5.17% (0.05170) | 89.51th | v4 (v2025.03.14) |
| Sep 1, 2025 | 3.62% (0.03618) | 87.42th | v4 (v2025.03.14) |
| Jul 30, 2025 | 4.69% (0.04692) | 88.94th | v4 (v2025.03.14) |
| Jun 19, 2025 | 10.41% (0.10413) | 92.82th | v4 (v2025.03.14) |
| Jun 4, 2025 | 4.30% (0.04297) | 88.29th | v4 (v2025.03.14) |
| Jun 1, 2025 | 6.31% (0.06309) | 90.49th | v4 (v2025.03.14) |
| May 4, 2025 | 4.30% (0.04297) | 88.21th | v4 (v2025.03.14) |
| May 1, 2025 | 6.31% (0.06309) | 90.45th | v4 (v2025.03.14) |
| Mar 28, 2025 | 4.30% (0.04297) | 87.82th | v4 (v2025.03.14) |
| Mar 27, 2025 | 2.10% (0.02099) | 82.00th | v4 (v2025.03.14) |
| Mar 26, 2025 | 4.30% (0.04297) | 87.71th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.10% (0.02099) | 82.87th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.46% (0.00460) | 76.18th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.46% (0.00460) | 74.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.46% (0.00460) | 71.47th | 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 (11)
- http://rhn.redhat.com/errata/RHSA-2017-0182.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2017-0183.html vendor-advisoryx_refsource_REDHAT
- http://www.debian.org/security/2016/dsa-3745 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/18/1 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/94953 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037513 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.squid-cache.org/Advisories/SQUID-2016_11.txt x_refsource_CONFIRMMitigationPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2016-10002 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1405941 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-10002
- https://www.cve.org/CVERecord?id=CVE-2016-10002
| Link | Providers | Tags |
|---|---|---|
| http://rhn.redhat.com/errata/RHSA-2017-0182.html | vendor-advisoryx_refsource_REDHAT | |
| http://rhn.redhat.com/errata/RHSA-2017-0183.html | vendor-advisoryx_refsource_REDHAT | |
| http://www.debian.org/security/2016/dsa-3745 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2016/12/18/1 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.securityfocus.com/bid/94953 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1037513 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| http://www.squid-cache.org/Advisories/SQUID-2016_11.txt | x_refsource_CONFIRMMitigationPatchVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2016-10002 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1405941 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-10002 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-10002 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 27, 2017
Updated Aug 6, 2024
Reserved Dec 17, 2016
Link CVE-2016-10002
CISA Vulnrichment
Updated n/a