CVE-2018-3988

lowpriority · track · 19EPSS 0.005 · 44 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.53% (44th) EPSS

CVSS 1.9 · low

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Signal Messenger for Android 4.24.8 may expose private information when using "disappearing messages." If a user uses the photo feature available in the "attach file" menu, then Signal will leave the picture in its own cache directory, which is available to any application on the system.

cvss

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

4.7

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.9–4.7

v2.01.9lowAV:L/AC:M/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 3.4 · impact 2.9

v3.14.7mediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 1 · impact 3.6

v3.03.3lowCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.03.3lowCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:Nsecondary · talos-cna@cisco.com USexploitability 1.8 · impact 1.4

v3.14.3mediumCVSS:3.1/AV:L/AC:H/PR:L/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-200USprimary

affected products (2)

Products and version ranges known to be affected.

n/a Signal≤ Signal Messenger Android 4.24.8enisa_euvdEU
signal private messenger= 4.24.8nvdUScpe:2.3:a:signal:private_messenger:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-12-10modified 2026-06-17

related (19,397)

Related entries.

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A vulnerability in the API of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to overwrite arbitrary files on the local file system. To exploit this vul…
CVE-2025-68686US	—OT critical	29.5% (98th)	KEV	2026-02-10
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Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.

+19392 more

references (7)

External citations — patches, advisories, analysis.

http://signal.com/Patchcnnvd
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0656 cnnvd
https://www.securityfocus.com/bid/106207 cnnvd
http://www.securityfocus.com/bid/106207 enisa_euvd
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0656 enisa_euvd
http://www.securityfocus.com/bid/106207Broken LinkThird Party AdvisoryVDB Entrynvd
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0656ExploitThird Party Advisorynvd

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