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CVE-2016-10002

21
FAUCET Score

CVE-2016-10002 describes a vulnerability in Squid HTTP Proxy versions 3.1.10-3.1.23, 3.2.0.3-3.5.22, and 4.0.1-4.0.16, where improper handling of If-None-Modified HTTP conditional requests can lead to the leakage of client-specific Cookie data to other clients. This flaw allows an unauthenticated attacker to craft requests to probe the cache and retrieve sensitive information. The vulnerability is rated as High severity with a CVSS score of 7.5, indicating a network-based attack with low complexity and high confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
3.1.10CPE matchmatch criteria
cpe:2.3:a:squid-cache:squid:3.1.10:*:*:*:*:*:*:*
3.1.11CPE matchmatch criteria
cpe:2.3:a:squid-cache:squid:3.1.11:*:*:*:*:*:*:*
3.1.12CPE matchmatch criteria
cpe:2.3:a:squid-cache:squid:3.1.12:*:*:*:*:*:*:*
3.1.14CPE matchmatch criteria
cpe:2.3:a:squid-cache:squid:3.1.14:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
6.77%
Probability of exploitation in next 30 days
EPSS Percentile
93.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0677 is in the 89th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: squid34-7:3.4.14-9.el6_8.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: squid-7:3.5.20-2.el7_3.2
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: squid

Vendor Advisories (1)

redhatCVE-2016-10002Moderate

squid: Information disclosure in HTTP request processing

Dec 16, 2016

References

rhn.redhat.com / errata/RHSA-2017-0182.html
rhn.redhat.com / errata/RHSA-2017-0183.html
debian.org / security/2016/dsa-3745
Third Party Advisory
openwall.com / lists/oss-security/2016/12/18/1
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/94953
Third Party AdvisoryVDB Entry
securitytracker.com / id/1037513
Third Party AdvisoryVDB Entry
squid-cache.org / Advisories/SQUID-2016_11.txt
MitigationPatchVendor Advisory