VDB-113675 · CVE-2018-0203 · BID 103142

Cisco Unity Connection SMTP Relay Email Message Spam data processing

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Cisco Unity Connection. Affected by this issue is some unknown functionality of the component SMTP Relay. The manipulation as part of Email Message leads to data processing (Spam). This vulnerability is referenced as CVE-2018-0203. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Cisco Unity Connection (Unified Communication Software) (affected version not known) and classified as critical. This issue affects some unknown functionality of the component SMTP Relay. The manipulation as part of a Email Message leads to a data processing vulnerability (Spam). Using CWE to declare the problem leads to CWE-19. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the SMTP relay of Cisco Unity Connection could allow an unauthenticated, remote attacker to send unsolicited email messages, aka a Mail Relay Vulnerability. The vulnerability is due to improper handling of domain information in the affected software. An unauthenticated, remote attacker could exploit this vulnerability by sending crafted requests to the targeted application. A successful exploit could allow the attacker to send email messages to arbitrary addresses. Cisco Bug IDs: CSCvg62215.

The bug was discovered 02/21/2018. The weakness was published 02/22/2018 as cisco-sa-20180221-cuc as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2018-0203 since 11/27/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 02/04/2021).

The commercial vulnerability scanner Qualys is able to test this issue with plugin 316195 (Cisco Unity Connection Mail Relay Vulnerability (cisco-sa-20180221-cuc)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 103142†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Spam
Class: Data processing / Spam
CWE: CWE-19
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/27/2017 🔍
02/21/2018 +86 days 🔍
02/21/2018 +0 days 🔍
02/21/2018 +0 days 🔍
02/22/2018 +1 days 🔍
02/22/2018 +0 days 🔍
02/04/2021 +1078 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20180221-cuc
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-0203 (🔍)
GCVE (CVE): GCVE-0-2018-0203
GCVE (VulDB): GCVE-100-113675
SecurityFocus: 103142 - Cisco Unity Connection CVE-2018-0203 Remote Security Vulnerability
SecurityTracker: 1040413

Entryinfo

Created: 02/22/2018 07:27
Updated: 02/04/2021 13:53
Changes: 02/22/2018 07:27 (63), 01/07/2020 16:24 (4), 02/04/2021 13:53 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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