CVE-2021-1275: cisco catalyst_sd-wan_manager Improper Input Validation
Vulnerability summary
CVE-2021-1275 is a critical (CVSS 9.8) Improper Input Validation vulnerability in cisco catalyst_sd-wan_manager. EPSS estimates a 2.07% chance of exploitation in the next 30 days, higher than 81% of scored vulnerabilities.
Timeline
- 06-05-2021PublishedVulnerability first disclosed.
- 08-11-2024Last modifiedVulnerability information updated.
Description
Multiple vulnerabilities in Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to execute arbitrary code or gain access to sensitive information, or allow an authenticated, local attacker to gain escalated privileges or gain unauthorized access to the application. For more information about these vulnerabilities, see the Details section of this advisory.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
2.07%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.07% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-400Uncontrolled Resource ConsumptionThe product does not properly control the allocation and maintenance of a limited resource.
Affected systems
Cisco3 products
- catalyst_sd-wan_manager≥ 20.4, < 20.4.1 | ≥ 20.5, < 20.5.1
- cisco sd-wan vmanagen/a
- sd-wan_vmanage< 20.3.3
1 vendor · 3 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-vmanage-4TbynnhZVendor AdvisoryX Refsource CISCO