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Silc vulnerabilitiesNone on the known-exploited list.

Vendor
The short answer

Silc has 7 published vulnerabilities across 6 products in our catalogue. None of them is on the list of flaws known to be exploited today. The most affected product is Silc Toolkit, with 3. If you run Silc software, patch the exploited flaws first.

See the exploited flaws

We keep watching the known-exploited list.

Products

Which Silc products have the most vulnerabilities?

Silc Toolkit leads with 3 published vulnerabilities. Open a product to see its versions and which of its flaws criminals are already using.

  1. Silc Toolkit3
  2. Secure Internet Live Conferencing2
  3. Silc Client2
  4. Silc-Server2
  5. Silc1
  6. Silc Server1
Published vulnerabilities
Known exploited

Which Silc vulnerabilities are being exploited?

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

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

Exploit likelihood

Which Silc 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. 10%
    CVE-2007-1327High

    The SILC_SERVER_CMD_FUNC function in apps/silcd/command.c in silc-server 1.0.2 allows remote attackers to cause a denial of service (NULL dereference and daemon crash) via a request without a cipher algorithm and an...

    CVSS7.8Published7 Mar 2007
  2. 4.3%
    CVE-2008-1227High

    Stack-based buffer overflow in the silc_fingerprint function in lib/silcutil/silcutil.c in Secure Internet Live Conferencing (SILC) Toolkit 1.1.5, and unspecified earlier versions, allows remote attackers to cause a...

    CVSS7.5Published10 Mar 2008
  3. 4.1%
    CVE-2008-1552Medium

    The silc_pkcs1_decode function in the silccrypt library (silcpkcs1.c) in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.7, SILC Client before 1.1.4, and SILC Server before 1.1.2 allows remote attackers...

    CVSS6.8Published31 Mar 2008
  4. 2.8%
    CVE-2007-3728Medium

    Buffer overflow in lib/silcclient/client_notify.c of SILC Client and SILC Toolkit before 1.1.2 allows remote attackers to cause a denial of service via "NICK_CHANGE" notifications.

    CVSS5.0Published12 Jul 2007
  5. 2.0%
    CVE-2008-1429High

    Secure Internet Live Conferencing (SILC) Server before 1.1.1 allows remote attackers to cause a denial of service (daemon crash) via a NEW_CLIENT packet without a nickname.

    CVSS7.8Published20 Mar 2008
  6. 1.0%
    CVE-2003-1439Medium

    Secure Internet Live Conferencing (SILC) 0.9.11 and 0.9.12 stores passwords and sessions in plaintext in memory, which could allow local users to obtain sensitive information.

    CVSS4.3Published31 Dec 2003
  7. 0.3%
    CVE-2005-2809Low

    silc daemon (silcd.c) in Secure Internet Live Conferencing (SILC) 1.0 and earlier allows local users to overwrite arbitrary files via a symlink attack on the silcd.[PID].stats temporary file.

    CVSS2.1Published7 Sep 2005
Every product

All Silc products we track.

4 products, most vulnerabilities first. Find the ones you run, then open a product to see its versions and exploited flaws.

This directory lists the 4 Silc products with at least one tracked version, of 6 in our catalogue.

Precursor Intelligence

Running Silc? 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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Our catalogue lists 7 published vulnerabilities across 6 products and 19 versions from Silc.

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

Silc Toolkit, with 3 published vulnerabilities. Its own page lists the ones known to be exploited.

Create a Precursor Intelligence account and track the Silc products you run. We match them against every published flaw, give each one a risk score from 0 to 100 and tell you as soon as we spot one that affects you, by email, in the app or by webhook.

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