How severe is CVE-2017-12465?

CVE-2017-12465 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-2017-12465 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12465?

CVE-2017-12465 affects Ccn-lite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-12465?

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-2017-12465 published?

CVE-2017-12465 was published on 2018-02-07 and last updated on 2026-06-17.

CVE-2017-12465

CVE-2017-12465 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-190.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Ccn-lite
Published: 2018-02-07
Last modified: 2026-06-17

Description

Multiple integer overflows in CCN-lite before 2.00 allow context-dependent attackers to have unspecified impact via vectors involving the (1) vallen variable in the iottlv_parse_sequence function or (2) typ, vallen and i variables in the localrpc_parse function.

Frequently asked questions

What is CVE-2017-12465?: Multiple integer overflows in CCN-lite before 2.00 allow context-dependent attackers to have unspecified impact via vectors involving the (1) vallen variable in the iottlv_parse_sequence function or (2) typ, vallen and i variables in the localrpc_parse function.
How severe is CVE-2017-12465?: CVE-2017-12465 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-2017-12465 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12465?: CVE-2017-12465 affects Ccn-lite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-12465?: 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-2017-12465 published?: CVE-2017-12465 was published on 2018-02-07 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Ccn-lite

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CVE-2018-7039 — Critical (CVSS 9.8): CCN-lite 2.0.0 Beta allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified…
CVE-2018-6953 — Critical (CVSS 9.8): In CCN-lite 2, the Parser of NDNTLV does not verify whether a certain component's length field matches the actual…
CVE-2018-6948 — Critical (CVSS 9.8): In CCN-lite 2, the function ccnl_prefix_to_str_detailed can cause a buffer overflow, when writing a prefix to the…
CVE-2017-12472 — Critical (CVSS 9.8): ccnl-ext-mgmt.c in CCN-lite before 2.00 allows context-dependent attackers to have unspecified impact by leveraging…
CVE-2017-12471 — Critical (CVSS 9.8): The cnb_parse_lev function in CCN-lite before 2.00 allows context-dependent attackers to have unspecified impact by…

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