CVE-2013-5680

6.8 MEDIUM 8% exploit odds Fix listed Memory safety

What it is

Heap-based buffer overflow in hfaxd in HylaFAX+ 5.2.4 through 5.5.3, when using LDAP authentication, might allow remote attackers to cause a denial of service (child hang) or execute arbitrary code via a long USER command.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 7.9% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2014-04-06 16:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:59 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 7.9% in the next 30 days (EPSS).
Severity: 6.8 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2014-04-06 16:55 UTC
Last modified: 2026-06-16 23:59 UTC
Exploit probability: 7.9% · EPSS, next 30 days
Weakness: CWE-119 · Buffer errors
Record status: Modified

Affected

Lee Howard hylafax\+ 5.2.4
Lee Howard hylafax\+ 5.2.5
Lee Howard hylafax\+ 5.2.6
Lee Howard hylafax\+ 5.2.7
Lee Howard hylafax\+ 5.2.8
Lee Howard hylafax\+ 5.2.9
Lee Howard hylafax\+ 5.3.0
Lee Howard hylafax\+ 5.4.1

Attack profile CVSS 2.0 · 6.8

Attack vector: Network
Complexity: Medium
Authentication: None
Confidentiality: Partial
Integrity: Partial
Availability: Partial

Raw vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record