CVE-2018-11385

mediumpriority · track · 33EPSS 0.020 · 80 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.97% (80th) EPSS

CVSS 6.8 · medium

Is it mine?

33 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

An issue was discovered in the Security component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11. A session fixation vulnerability within the "Guard" login feature may allow an attacker to impersonate a victim towards the web application if the session id value was previously known to the attacker.

cvss

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

8.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–8.1

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.08.1highCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.2 · impact 5.9

v3.08.1highCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.07.4highCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.18.1highAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-384USprimaryCWE-384USCWE-384US

affected products (33)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Fedora Project Fedora≤ 28fstec_bduRU
SensioLabs, symfony community Symfony2.7.0 → 2.7.48fstec_bduRU
SensioLabs, symfony community Symfony2.8.0 → 2.8.41fstec_bduRU
SensioLabs, symfony community Symfony3.3.0 → 3.3.17fstec_bduRU
SensioLabs, symfony community Symfony3.4.0 → 3.4.11fstec_bduRU
SensioLabs, symfony community Symfony4.0.0 → 4.0.11fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.6 «Смоленск»fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 9fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 8fstec_bduRU
debian debian linux= 8.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
debian debian linux= 9.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
fedoraproject fedora= 28nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
sensiolabs symfony2.7.0 → 2.7.48nvdUScpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
sensiolabs symfony2.8.0 → 2.8.41nvdUScpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
sensiolabs symfony3.3.0 → 3.3.17nvdUScpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
sensiolabs symfony3.4.0 → 3.4.11nvdUScpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
sensiolabs symfony4.0.0 → 4.0.11nvdUScpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
Packagist symfony/security2.7.0 → 2.7.48osvUSpkg:composer/symfony/security
Packagist symfony/security2.8.0 → 2.8.41osvUSpkg:composer/symfony/security

showing 20 of 33

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-g4rg-rw65-8hfgSymfony Session Fixation Vulnerability2022-05-14ghsa · osvUS
An issue was discovered in the Security component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11. A session fixation vulnerability within the "Guard" login feature may allow an attacker to impersonate a victim towards the web application if the session id value was previously known to the attacker.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv NVD CVE.org MITRE

published 2018-06-13modified 2026-06-17

related (608)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-102489US	critical9.8OT critical	1.96% (80th)	KEV	2026-09-30
Zammad versions 6.3.0 to 6.5.4 are vulnerable a session hijack vulnerability that leads to remote code execution as the zammad user. The bug is also present in version 7.0.0 to ver…
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An issue was discovered on TP-Link TL-WR840N v5 00000005 0.9.1 3.16 v0001.0 Build 170608 Rel.58696n and TL-WR841N v13 00000013 0.9.1 4.16 v0001.0 Build 170622 Rel.64334n devices. T…
CVE-2018-18925US	critical9.8	31.1% (98th)	Exploit	2018-11-04
Gogs 0.11.66 allows remote code execution because it does not properly validate session IDs, as demonstrated by a ".." session-file forgery in the file session provider in file.go.…
CVE-2017-12965US	critical9.8	15.7% (97th)	Exploit	2017-08-23
Session fixation vulnerability in Apache2Triad 1.5.4 allows remote attackers to hijack web sessions via the PHPSESSID parameter.
CVE-2019-10008US	high8.8	19.4% (97th)	Exploit	2019-04-24
Zoho ManageEngine ServiceDesk 9.3 allows session hijacking and privilege escalation because an established guest session is automatically converted into an established administrato…

+603 more

references (19)

External citations — patches, advisories, analysis.

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