CVE-2021-1491: cisco catalyst_sd-wan_manager Link Following
Vulnerability summary
CVE-2021-1491 is a medium (CVSS 6.5) Link Following vulnerability in cisco catalyst_sd-wan_manager. EPSS estimates a 1.33% chance of exploitation in the next 30 days, higher than 70.6% of scored vulnerabilities.
Timeline
- 15-11-2024PublishedVulnerability first disclosed.
- 15-11-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to read arbitrary files on the underlying file system of the device. This vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the file system and then accessing it through the web-based management interface. A successful exploit could allow the attacker to read arbitrary files from the file system of the underlying operating system.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
1.33%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
0.00 pp
From 1.33% 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 causeAffected systems
Cisco2 products
- catalyst_sd-wan_manager17.2.4 | 17.2.5 | 17.2.6 | 17.2.7 | 17.2.8 | 17.2.9 | 17.2.10 | 18.2.0 | 18.3.0 | 18.3.1 | 18.3.1.1 | 18.3.3 | 18.3.3.1 | 18.3.4 | 18.3.5 | 18.3.6 | 18.3.6.1 | 18.3.7 | 18.3.8 | 18.4.0 | 18.4.0.1 | 18.4.1 | 18.4.3 | 18.4.4 | 18.4.5 | 18.4.6 | 18.4.302 | 18.4.303 | 18.4.501_es | 19.0.0 | 19.0.1a | 19.1.0 | 19.2.0 | 19.2.1 | 19.2.2 | 19.2.3 | 19.2.4 | 19.2.4.0.1 | 19.2.31 | 19.2.32 | 19.2.097 | 19.2.098 | 19.2.099 | 19.2.929 | 19.3.0 | 20.1.1 | 20.1.1.1 | 20.1.2 | 20.1.2_937 | 20.1.12 | 20.3.1 | 20.3.2 | 20.3.2.1 | 20.3.2.1_927 | 20.3.2.1_930 | 20.3.2_925 | 20.3.2_928 | 20.3.2_929 | 20.3.2_937 | 20.3.3 | 20.4.1 | 20.4.1.0.1 | 20.4.1.1
- cisco catalyst sd-wan manager20.1.12 | 19.2.1 | 18.4.4 | 18.4.5 | 20.1.1.1 | 20.1.1 | 19.3.0 | 19.2.2 | 19.2.099 | 18.3.6 | 18.3.7 | 19.2.0 | 18.3.8 | 19.0.0 | 19.1.0 | 18.4.302 | 18.4.303 | 19.2.097 | 19.2.098 | 17.2.10 | 18.3.6.1 | 19.0.1a | 18.2.0 | 18.4.3 | 18.4.1 | 17.2.8 | 18.3.3.1 | 18.4.0 | 18.3.1 | 17.2.6 | 17.2.9 | 18.3.4 | 17.2.5 | 18.3.1.1 | 18.3.5 | 18.4.0.1 | 18.3.3 | 17.2.7 | 17.2.4 | 18.3.0 | 19.2.3 | 18.4.501_ES | 20.3.1 | 20.1.2 | 19.2.929 | 19.2.31 | 20.3.2 | 19.2.32 | 20.3.2_925 | 20.3.2.1 | 20.3.2.1_927 | 18.4.6 | 20.1.2_937 | 20.4.1 | 20.3.2_928 | 20.3.2_929 | 20.4.1.0.1 | 20.3.2.1_930 | 19.2.4 | 20.4.1.1 | 20.3.3 | 19.2.4.0.1 | 20.3.2_937
1 vendor · 2 products
References
1 links- sec.cloudapps.cisco.com/security/…Vendor Advisory