CVE-2018-11385: debian debian_linux Session Fixation
Vulnerability summary
CVE-2018-11385 is a high (CVSS 8.1) Session Fixation vulnerability in debian debian_linux. EPSS estimates a 2.00% chance of exploitation in the next 30 days, higher than 80.4% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 13-06-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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 metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated8.1HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.1HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.00%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
+0.02 pp
From 1.99% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- symfony< 3.4.12+dfsg-1
- debian_linuxEOL8.0 | 9.0
Fedoraproject1 product
- fedoraEOL28
Sensiolabs1 product
- symfony≥ 2.7.0, < 2.7.48 | ≥ 2.8.0, < 2.8.41 | ≥ 3.3.0, < 3.3.17 | ≥ 3.4.0, < 3.4.11 | ≥ 4.0.0, < 4.0.11
Ubuntu1 product
- symfonyAll versions (No fix recorded)
4 vendors · 5 products
References
12 links- symfony.com/blog/cve-2018-11385-session-fixation-issue-for-guard-authenticationX Refsource CONFIRMVendor AdvisoryREPORT
lists.debian.org/debian-lts-announce/2019/03/msg00009.htmlMailing ListX Refsource MLISTThird Party Advisory