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CVE-2018-1000519

MEDIUM
6.5
CVSS Score
Published: June 26, 2018 at 04:00 PM UTC
Updated: June 17, 2026 at 01:32 AM UTC
1 product affected across 1 vendorAiohttp Session

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Severity
MEDIUM6.5
Exploit prediction
EPSS 1%

Description

aio-libs aiohttp-session contains a Session Fixation vulnerability in load_session function for RedisStorage (see: https://github.com/aio-libs/aiohttp-session/blob/master/aiohttp_session/redis_storage.py#L42) that can result in Session Hijacking. This attack appear to be exploitable via Any method that allows setting session cookies (?session=<>, or meta tags or script tags with Set-Cookie).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Aiohttp Session· Aio Libs
95%
v < 2.4.0
Affected range stops below 2.4.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/aio-libs/aiohttp-session/blob/master/aiohttp_session/redis_storage.py#L60
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/aio-libs/aiohttp-session/issues/272

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-384

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