Is CVE-2017-11343 actively exploited?

No active exploitation of CVE-2017-11343 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-11343 be exploited remotely?

Yes. CVE-2017-11343 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-11343?

CVE-2017-11343 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2017-11343

CWE-407Published: July 17, 2017· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

Due to an incomplete fix for CVE-2012-6125, all versions of CHICKEN Scheme up to and including 4.12.0 are vulnerable to an algorithmic complexity attack. An attacker can provide crafted input which, when inserted into the symbol table, will result in O(n) lookup time.

NVD Source

Technical Analysis

CVE-2017-11343 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.