How severe is CVE-2017-11655?

CVE-2017-11655 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-11655 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-11655?

CVE-2017-11655 affects Sipcrack Project Sipcrack. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-11655?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-11655 published?

CVE-2017-11655 was published on 2017-07-26 and last updated on 2026-06-17.

CVE-2017-11655

CVE-2017-11655 is a high-severity vulnerability in Sipcrack Project Sipcrack with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-772.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-772
Affected product: Sipcrack Project Sipcrack
Published: 2017-07-26
Last modified: 2026-06-17

Description

A memory leak was found in the way SIPcrack 0.2 handled processing of SIP traffic, because a lines array was mismanaged. A remote attacker could potentially use this flaw to crash long-running sipdump network sniffing sessions.

Frequently asked questions

What is CVE-2017-11655?: A memory leak was found in the way SIPcrack 0.2 handled processing of SIP traffic, because a lines array was mismanaged. A remote attacker could potentially use this flaw to crash long-running sipdump network sniffing sessions.
How severe is CVE-2017-11655?: CVE-2017-11655 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-11655 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-11655?: CVE-2017-11655 affects Sipcrack Project Sipcrack. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-11655?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-11655 published?: CVE-2017-11655 was published on 2017-07-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sipcrack_project:sipcrack:0.2:*:*:*:*:*:*:*

More vulnerabilities in Sipcrack Project Sipcrack

CVE-2017-11654 — Medium (CVSS 5.9): An out-of-bounds read and write flaw was found in the way SIPcrack 0.2 processed SIP traffic, because 0x00 termination…

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