Search criteria
12 vulnerabilities by ietf
CVE-2025-27371 (GCVE-0-2025-27371)
Vulnerability from cvelistv5 – Published: 2025-03-03 00:00 – Updated: 2025-04-25 14:42
VLAI?
Summary
In certain IETF OAuth 2.0-related specifications, when the JSON Web Token Profile for OAuth 2.0 Client Authentication mechanism is used, there are ambiguities in the audience values of JWTs sent to authorization servers. The affected RFCs may include RFC 7523, and also RFC 7521, RFC 7522, RFC 9101 (JAR), and RFC 9126 (PAR).
Severity ?
6.9 (Medium)
CWE
- CWE-305 - Authentication Bypass by Primary Weakness
Assigner
References
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CVE-2024-7596 (GCVE-0-2024-7596)
Vulnerability from cvelistv5 – Published: 2025-02-05 17:37 – Updated: 2025-11-03 20:56
VLAI?
Title
Generic UDP Encapsulation (GUE) (IETF Draft) do not validate or verify the source of a network packet
Summary
Proposed Generic UDP Encapsulation (GUE) (IETF Draft) do not validate or verify the source of a network packet allowing an attacker to spoof and route arbitrary traffic via an exposed network interface that can lead to spoofing, access control bypass, and other unexpected network behaviors.
This can be considered similar to CVE-2020-10136.
Severity ?
5.3 (Medium)
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| IETF | draft-ietf-intarea-gue-09 |
Affected:
GUE-09
|
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CVE-2024-7595 (GCVE-0-2024-7595)
Vulnerability from cvelistv5 – Published: 2025-02-05 17:36 – Updated: 2025-11-03 20:56
VLAI?
Title
GRE and GRE6 Protocols (RFC2784) do not validate or verify the source of a network packet
Summary
GRE and GRE6 Protocols (RFC2784) do not validate or verify the source of a network packet allowing an attacker to spoof and route arbitrary traffic via an exposed network interface that can lead to spoofing, access control bypass, and other unexpected network behaviors.
This can be considered similar to CVE-2020-10136.
Severity ?
5.3 (Medium)
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| IETF | RFC2784 - Generic Routing Encapsulation (GRE) |
Affected:
STD 1
|
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CVE-2025-23018 (GCVE-0-2025-23018)
Vulnerability from cvelistv5 – Published: 2025-01-14 00:00 – Updated: 2025-11-03 21:00
VLAI?
Summary
IPv4-in-IPv6 and IPv6-in-IPv6 tunneling (RFC 2473) do not require the validation or verification of the source of a network packet, allowing an attacker to spoof and route arbitrary traffic via an exposed network interface. This is a similar issue to CVE-2020-10136.
Severity ?
5.4 (Medium)
CWE
- CWE-940 - Improper Verification of Source of a Communication Channel
Assigner
References
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CVE-2025-23019 (GCVE-0-2025-23019)
Vulnerability from cvelistv5 – Published: 2025-01-14 00:00 – Updated: 2025-11-03 21:00
VLAI?
Summary
IPv6-in-IPv4 tunneling (RFC 4213) allows an attacker to spoof and route traffic via an exposed network interface.
Severity ?
5.4 (Medium)
CWE
- CWE-940 - Improper Verification of Source of a Communication Channel
Assigner
References
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CVE-2024-3596 (GCVE-0-2024-3596)
Vulnerability from cvelistv5 – Published: 2024-07-09 12:02 – Updated: 2025-11-04 17:20
VLAI?
Title
RADIUS Protocol under RFC2865 is vulnerable to forgery attacks.
Summary
RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid Response (Access-Accept, Access-Reject, or Access-Challenge) to any other response using a chosen-prefix collision attack against MD5 Response Authenticator signature.
Severity ?
9 (Critical)
CWE
Assigner
References
Credits
Thanks to Sharon Goldberg, Miro Haller, Nadia Heninger, Mike Milano, Dan Shumow, Marc Stevens, and Adam Suhl who researched and reported this vulnerability
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CVE-2024-3661 (GCVE-0-2024-3661)
Vulnerability from cvelistv5 – Published: 2024-05-06 18:31 – Updated: 2024-08-28 19:09
VLAI?
Title
DHCP routing options can manipulate interface-based VPN traffic
Summary
DHCP can add routes to a client’s routing table via the classless static route option (121). VPN-based security solutions that rely on routes to redirect traffic can be forced to leak traffic over the physical interface. An attacker on the same local network can read, disrupt, or possibly modify network traffic that was expected to be protected by the VPN.
Severity ?
7.6 (High)
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2021-27862 (GCVE-0-2021-27862)
Vulnerability from cvelistv5 – Published: 2022-09-27 18:40 – Updated: 2025-11-04 19:12
VLAI?
Title
L2 network filtering bypass using stacked VLAN0 and LLC/SNAP headers with an invalid length during Ethernet to Wifi frame translation
Summary
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length and Ethernet to Wifi frame conversion (and optionally VLAN0 headers).
Severity ?
4.7 (Medium)
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| IEEE | 802.2 |
Affected:
802.2h-1997 , ≤ 802.2h-1997
(custom)
|
|||||||
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Credits
Etienne Champetier (@champtar) <champetier.etienne@gmail.com>
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CVE-2021-27861 (GCVE-0-2021-27861)
Vulnerability from cvelistv5 – Published: 2022-09-27 18:40 – Updated: 2025-11-04 19:12
VLAI?
Title
L2 network filtering bypass using stacked VLAN0 and LLC/SNAP headers with invalid lengths
Summary
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length (and optionally VLAN0 headers)
Severity ?
4.7 (Medium)
Assigner
References
Impacted products
Credits
Etienne Champetier (@champtar) <champetier.etienne@gmail.com>
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CVE-2021-27854 (GCVE-0-2021-27854)
Vulnerability from cvelistv5 – Published: 2022-09-27 18:40 – Updated: 2025-11-04 19:12
VLAI?
Title
L2 network filtering bypass using stacked VLAN0, LLC/SNAP headers, and Ethernet to Wifi frame translation
Summary
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using combinations of VLAN 0 headers, LLC/SNAP headers, and converting frames from Ethernet to Wifi and its reverse.
Severity ?
4.7 (Medium)
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
Impacted products
Credits
Etienne Champetier (@champtar) <champetier.etienne@gmail.com>
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CVE-2021-27853 (GCVE-0-2021-27853)
Vulnerability from cvelistv5 – Published: 2022-09-27 17:55 – Updated: 2025-11-04 19:12
VLAI?
Title
L2 network filtering can be bypassed using stacked VLAN0 and LLC/SNAP headers
Summary
Layer 2 network filtering capabilities such as IPv6 RA guard or ARP inspection can be bypassed using combinations of VLAN 0 headers and LLC/SNAP headers.
Severity ?
4.7 (Medium)
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
Impacted products
Credits
Etienne Champetier (@champtar) <champetier.etienne@gmail.com>
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CVE-2020-10136 (GCVE-0-2020-10136)
Vulnerability from cvelistv5 – Published: 2020-06-02 08:35 – Updated: 2025-11-03 20:33
VLAI?
Title
IP-in-IP protocol allows a remote, unauthenticated attacker to route arbitrary network traffic
Summary
IP-in-IP protocol specifies IP Encapsulation within IP standard (RFC 2003, STD 1) that decapsulate and route IP-in-IP traffic is vulnerable to spoofing, access-control bypass and other unexpected behavior due to the lack of validation to verify network packets before decapsulation and routing.
Severity ?
No CVSS data available.
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| IETF | RFC2003 - IP Encapsulation within IP |
Affected:
STD 1
|
Credits
Thanks to Yannay Livneh for reporting this issue.
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