VDB-11061 · CVE-2013-5548 · BID 63426

Cisco IOS IPsec Phase 2 SA Anti-Replay access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.2$0-$5k0.00

A vulnerability classified as critical has been found in Cisco IOS (Router Operating System) (affected version unknown). This affects an unknown functionality of the component IPsec Phase 2 SA Anti-Replay. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

The IKEv2 implementation in Cisco IOS, when AES-GCM or AES-GMAC is used, allows remote attackers to bypass certain IPsec anti-replay features via IPsec tunnel traffic, aka Bug ID CSCuj47795.

The weakness was released 10/29/2013 as Cisco IOS Software Internet Key Exchange Version 2 Anti-replay Protection Disabled Vulnerability as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The public release was coordinated with Cisco. This vulnerability is uniquely identified as CVE-2013-5548 since 08/22/2013. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Further details are available at tools.cisco.com.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

08/22/2013 🔍
10/29/2013 +68 days 🔍
10/29/2013 +0 days 🔍
10/29/2013 +0 days 🔍
10/31/2013 +2 days 🔍
10/31/2013 +0 days 🔍
11/01/2013 +1 days 🔍
05/14/2017 +1290 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: Cisco IOS Software Internet Key Exchange Version 2 Anti-replay Protection Disabled Vulnerability
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-5548 (🔍)
Vulnerability Center: 42146 - Cisco IOS IKEv2 Remote Information Leakage Vulnerability by Disabling Anti-Replay Protection, Medium
SecurityFocus: 63426
OSVDB: 99149

Misc.: 🔍

Entryinfo

Created: 11/01/2013 10:55
Updated: 05/14/2017 10:05
Changes: 11/01/2013 10:55 (44), 05/14/2017 10:05 (18)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!