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-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Cisco IOS. The affected element is an unknown function of the component IPsec Phase 2 SA Anti-Replay. Performing a manipulation results in access control. This vulnerability is identified as CVE-2013-5548. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

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.

The vulnerability is also documented in the databases at SecurityFocus (BID 63426†), OSVDB (99149†) and Vulnerability Center (SBV-42146†). Further details are available at tools.cisco.com. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• Cisco

Name

• IOS

License

• commercial

Website

• Vendor: https://www.cisco.com/

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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 (🔍)
GCVE (CVE): GCVE-0-2013-5548
GCVE (VulDB): GCVE-100-11061
SecurityFocus: 63426
OSVDB: 99149
Vulnerability Center: 42146 - Cisco IOS IKEv2 Remote Information Leakage Vulnerability by Disabling Anti-Replay Protection, Medium

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: 🔍
Committer:
Cache ID: 216:9D7:103

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