CVE-2018-1340

mediumpriority · track · 31OT risk · elevatedEPSS 0.020 · 81 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.04% (81st) EPSS

CVSS 5 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

Prior to 1.0.0, Apache Guacamole used a cookie for client-side storage of the user's session token. This cookie lacked the "secure" flag, which could allow an attacker eavesdropping on the network to intercept the user's session token if unencrypted HTTP requests are made to the same domain.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · OSV

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-311USprimaryCWE-311US

affected products (3)

Products and version ranges known to be affected.

Apache Software Foundation Apache Guacamole≤ Apache Guacamole 0.9.4 to 0.9.14enisa_euvdEU
apache guacamole≤ 0.9.14nvdUScpe:2.3:a:apache:guacamole:*:*:*:*:*:*:*:*
Maven org.apache.guacamole:guacamole-common< 1.0.0osvUSpkg:maven/org.apache.guacamole/guacamole-common

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-wr7r-vg3c-54r5Missing Encryption of Sensitive Data in Apache Guacamole2022-05-13ghsa · osvUS
Prior to 1.0.0, Apache Guacamole used a cookie for client-side storage of the user's session token. This cookie lacked the "secure" flag, which could allow an attacker eavesdropping on the network to intercept the user's session token if unencrypted HTTP requests are made to the same domain.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2019-02-07modified 2026-06-17

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references (11)

External citations — patches, advisories, analysis.

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