CVE-2022-3250VulnerabilityPublished 21 Sep 2022Updated 28 May 2025

CVE-2022-3250: ikus060/rdiffweb · Sensitive Cookie in HTTPS Session Without 'Secure' Attribute

Affects ikus060/rdiffwebSource CVE Database V5

Not known to be exploited · CVSS 4.9 Medium : upgrade to 2.4.6 when convenient.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.0 base score

4.9Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.5% chance of exploitation in 30 days – higher than 45% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch: Available – fixed in 2.4.6

CVSS:3.0/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Attack Vector: Adjacent
Attack Complexity: Low
Privileges Required: Low
User Interaction: Required
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: Low

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Adjacent: The vulnerable component is bound to the network stack, but the attack is limited at the protocol level to a logically adjacent topology. This can mean an attack must be launched from the same shared physical (e.g., Bluetooth or IEEE 802.11) or logical (e.g., local IP subnet) network, or from within a secure or otherwise limited administrative domain (e.g., MPLS, secure VPN to an administrative network zone).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: Low: The attacker is authorized with (i.e., requires) privileges that provide basic user capabilities that could normally affect only settings and files owned by a user. Alternatively, an attacker with Low privileges may have the ability to cause an impact only to non-sensitive resources.
User Interaction: Required: Successful exploitation of this vulnerability requires a user to take some action before the vulnerability can be exploited.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: Low: There is some loss of confidentiality. Access to some restricted information is obtained, but the attacker does not have control over what information is obtained, or the amount or kind of loss is limited. The information disclosure does not cause a direct, serious loss to the impacted component.
Integrity: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact on the impacted component.
Availability: Low: Performance is reduced or there are interruptions in resource availability. Even if repeated exploitation of the vulnerability is possible, the attacker does not have the ability to completely deny service to legitimate users. The resources in the impacted component are either partially available all of the time, or fully available only some of the time, but overall there is no direct, serious consequence to the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 21 Sep 2022
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Upgrade ikus060/rdiffweb to 2.4.6.

Affected software

Product	Affected	Fixed in
GitHubikus060/rdiffweb`pkg:github/ikus060/rdiffweb`Other threats	Affected <2.4.6	Fixed in 2.4.6

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

To mitigate this vulnerability, European organizations should: 1) Upgrade to version 2.4.6 or later of ikus060/rdiffweb where the issue is presumably fixed. 2) If upgrading is not immediately possible, implement web server or reverse proxy configurations to enforce the 'Secure' attribute on cookies set by rdiffweb, for example by using HTTP response header modifications (e.g., 'Set-Cookie' directives with 'Secure' flag). 3) Ensure strict HTTPS enforcement across all access points to rdiffweb, including redirecting all HTTP traffic to HTTPS and disabling mixed content. 4) Employ network segmentation and monitoring to limit adjacent network access to backup management interfaces. 5) Educate users about phishing and social engineering risks since user interaction is required for exploitation. 6) Regularly audit and monitor session management and access logs for suspicious activity. 7) Consider implementing additional authentication controls such as multi-factor authentication to reduce risk from session hijacking.

Description

Sensitive Cookie in HTTPS Session Without 'Secure' Attribute in GitHub repository ikus060/rdiffweb prior to 2.4.6.

Impact

For European organizations using ikus060/rdiffweb, this vulnerability could lead to partial compromise of session cookies if attackers can intercept network traffic, particularly in environments where HTTPS enforcement is inconsistent or where internal network security is weak. This could allow attackers to hijack user sessions, potentially gaining unauthorized access to backup management interfaces or sensitive data. Given that rdiffweb is used for backup management, unauthorized access could lead to data exposure, manipulation, or disruption of backup operations, impacting data integrity and availability. The risk is heightened in organizations with remote or hybrid work setups where network security controls may vary. However, the requirement for adjacent network access and user interaction limits the attack surface. The absence of known exploits reduces immediate risk but does not eliminate potential future exploitation. Organizations relying on rdiffweb for critical backup management should consider this vulnerability seriously to maintain operational security and data protection compliance under European regulations such as GDPR.

CWE-614Sensitive Cookie in HTTPS Session Without 'Secure' Attribute (opens in a new tab)
Variant weaknessOWASP Top 10 A02:2025: Security Misconfiguration (opens in a new tab)
The Secure attribute for sensitive cookies in HTTPS sessions is not set.
Implementation
Always set the secure attribute when the cookie should be sent via HTTPS only.
OWASP Cheat Sheets
Cross-Site Request Forgery Prevention (opens in a new tab)
Session Management (opens in a new tab)
OWASP ASVS 4.0.3
V3.4.1 (opens in a new tab)
V8.3.1 (opens in a new tab)
V9.2.2 (opens in a new tab)
Attack patterns
Session Sidejacking (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

Community reviews

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 7 Jul 2025, 09:26 UTC

WeaknessesCWE-614

Technical details

References

Community reviews

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