Is CVE-2021-1355 in the CISA KEV catalog?

No. CVE-2021-1355 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-1355?

CVE-2021-1355 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-1355?

CVE-2021-1355 has an EPSS score of 1.35% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-1355?

Upgrade unified communications manager to 12.5(1)su4 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-1355

MEDIUM

6.5

CVSS v3

NVD

Description

Multiple vulnerabilities in Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P) could allow an attacker to conduct path traversal attacks and SQL injection attacks on an affected system. One of the SQL injection vulnerabilities that affects Unified CM IM&P also affects Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) and could allow an attacker to conduct SQL injection attacks on an affected system. For more information about these vulnerabilities, see the Details section of this advisory.

CWE-35 CWE-89SQL Injection

How to fix

Remediation Available

unified communications managerNVD

Affected:>= 12.5, < 12.5(1)su4Fixed in:12.5(1)su4CVE-2021-1355derived from NVD

unified communications manager im and presence serviceNVD

Affected:>= 12.0, < 12.5(1)su4Fixed in:12.5(1)su4CVE-2021-1355derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

1.35%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Vendor Advisory1

tools.cisco.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.