How severe is CVE-2014-10400?

CVE-2014-10400 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2014-10400 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-10400?

CVE-2014-10400 primarily affects Keplerproject Cgilua. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-10400?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-10400 published?

CVE-2014-10400 was published on 2020-02-06 and last updated on 2026-06-17.

CVE-2014-10400

CVE-2014-10400 is a medium-severity vulnerability in Keplerproject Cgilua with a CVSS 3.x base score of 6.1. 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-384.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Keplerproject Cgilua
Published: 2020-02-06
Last modified: 2026-06-17

Description

The session.lua library in CGILua 5.0.x uses sequential session IDs, which makes it easier for remote attackers to predict the session ID and hijack arbitrary sessions. NOTE: this vulnerability was SPLIT from CVE-2014-2875.

Frequently asked questions

What is CVE-2014-10400?: The session.lua library in CGILua 5.0.x uses sequential session IDs, which makes it easier for remote attackers to predict the session ID and hijack arbitrary sessions. NOTE: this vulnerability was SPLIT from CVE-2014-2875.
How severe is CVE-2014-10400?: CVE-2014-10400 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2014-10400 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-10400?: CVE-2014-10400 primarily affects Keplerproject Cgilua. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-10400?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-10400 published?: CVE-2014-10400 was published on 2020-02-06 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:keplerproject:cgilua:*:*:*:*:*:*:*:*
cpe:2.3:a:keplerproject:cgilua:5.2:alpha1:*:*:*:*:*:*
cpe:2.3:a:keplerproject:cgilua:5.2:alpha2:*:*:*:*:*:*

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CVE-2014-2875 — Medium (CVSS 6.1): The session.lua library in CGILua 5.2 alpha 1 and 5.2 alpha 2 uses weak session IDs generated based on OS time, which…
CVE-2014-10399 — Medium (CVSS 6.1): The session.lua library in CGILua 5.1.x uses the same ID for each session, which allows remote attackers to hijack…

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