How severe is CVE-2018-6953?

CVE-2018-6953 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-6953 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6953?

CVE-2018-6953 affects Ccn-lite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-6953?

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

When was CVE-2018-6953 published?

CVE-2018-6953 was published on 2018-02-13 and last updated on 2026-06-17.

CVE-2018-6953

CVE-2018-6953 is a critical-severity vulnerability in Ccn-lite with a CVSS 3.x base score of 9.8. 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-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Ccn-lite
Published: 2018-02-13
Last modified: 2026-06-17

Description

In CCN-lite 2, the Parser of NDNTLV does not verify whether a certain component's length field matches the actual component length, which has a resultant buffer overflow and out-of-bounds memory accesses.

Frequently asked questions

What is CVE-2018-6953?: In CCN-lite 2, the Parser of NDNTLV does not verify whether a certain component's length field matches the actual component length, which has a resultant buffer overflow and out-of-bounds memory accesses.
How severe is CVE-2018-6953?: CVE-2018-6953 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-6953 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6953?: CVE-2018-6953 affects Ccn-lite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6953?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-6953 published?: CVE-2018-6953 was published on 2018-02-13 and last updated on 2026-06-17.

References

https://github.com/cn-uofbasel/ccn-lite/issues/195

Affected products (1)

cpe:2.3:a:ccn-lite:ccn-lite:2.0.0:*:*:*:*:*:*:*

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