Socks 5 vulnerabilitiesRanked by how likely they are to be used.

Product2 versions
The short answer

Socks 5 is made by Nec. We track 3 published vulnerabilities in it, across 2 versions. None of them is on the list of flaws known to be exploited today. If you run Socks 5, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Socks 5 vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Socks 5's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Socks 5 flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 6.9%

    Multiple buffer overflows in NEC SOCKS5 1.0 r11 and earlier allow remote attackers to cause a denial of service and possibly execute arbitrary code via a long username to (1) the GetString function in proxy.c for the...

    CVSS10.0Published31 Dec 2002
  2. 0.6%

    Buffer overflow in socks5 server on Linux allows attackers to execute arbitrary commands via a long connection request.

    CVSS7.2Published9 Jan 2001
  3. 0.4%

    Buffer overflow in libsocks5 library of Socks 5 (socks5) 1.0r5 allows local users to gain privileges via long environmental variables.

    CVSS7.2Published10 Jul 1998
Precursor Intelligence

Running Socks 5? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

  1. Tell us what you runPick your software from a list, or let us work it out from your website.
  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

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FAQ

Common questions, answered plainly.

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We track 3 published vulnerabilities listed under the name Socks 5, across 2 versions.

None of Socks 5's vulnerabilities is on the list of flaws known to be exploited today.

Create a Precursor Intelligence account and track Socks 5. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.