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CVE-2023-49606

68
FAUCET Score

CVE-2023-49606 is a critical use-after-free vulnerability in Tinyproxy versions 1.11.1 and 1.10.0, allowing remote code execution through specially crafted HTTP headers. With a CVSS score of 9.8, it presents a severe risk, requiring no authentication and low attack complexity. While no public exploit code is currently available, the vulnerability has garnered significant community discussion and media coverage, indicating high awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
1.10.0CPE matchmatch criteria
cpe:2.3:a:tinyproxy_project:tinyproxy:1.10.0:*:*:*:*:*:*:*
1.11.1CPE matchmatch criteria
cpe:2.3:a:tinyproxy_project:tinyproxy:1.11.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
63.08%
Probability of exploitation in next 30 days
EPSS Percentile
99.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.6308 is in the 97th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

lists.debian.org / debian-lts-announce/2024/09/msg00035.html
talosintelligence.com / vulnerability_reports/TALOS-2023-1889
talosintelligence.com / vulnerability_reports/TALOS-2023-1889
ExploitThird Party Advisory
openwall.com / lists/oss-security/2024/05/07/1
ExploitIssue TrackingMailing ListPatchThird Party Advisory