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CVE-2021-1483

MEDIUMCVSS 6.4/10EPSS 0.86%

Last modified

CVE-2021-1483 is a medium-severity vulnerability rated 6.4/10 on the CVSS scale. A vulnerability in the web UI of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to gain read and write access to information that is stored on an affected system. This vulnerability is due to improper handling of XML External Entity (XXE) entries when the affected software parses certain XML files. An attacker could exploit this vulnerability by persuading a user to import a crafted XML file with malicious entries. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

A vulnerability in the web UI of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to gain read and write access to information that is stored on an affected system. This vulnerability is due to improper handling of XML External Entity (XXE) entries when the affected software parses certain XML files. An attacker could exploit this vulnerability by persuading a user to import a crafted XML file with malicious entries. A successful exploit could allow the attacker to read and write files within the affected application.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Metrics

CVSS 3.1
6.4/10

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

EPSS Probability
0.86%

53.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoCatalyst Sd-Wan Manager17.2.4
CiscoCatalyst Sd-Wan Manager17.2.5
CiscoCatalyst Sd-Wan Manager17.2.6
CiscoCatalyst Sd-Wan Manager17.2.7
CiscoCatalyst Sd-Wan Manager17.2.8
CiscoCatalyst Sd-Wan Manager17.2.9
CiscoCatalyst Sd-Wan Manager17.2.10
CiscoCatalyst Sd-Wan Manager18.2.0
CiscoCatalyst Sd-Wan Manager18.3.0
CiscoCatalyst Sd-Wan Manager18.3.1
CiscoCatalyst Sd-Wan Manager18.3.1.1
CiscoCatalyst Sd-Wan Manager18.3.3
CiscoCatalyst Sd-Wan Manager18.3.3.1
CiscoCatalyst Sd-Wan Manager18.3.4
CiscoCatalyst Sd-Wan Manager18.3.5
CiscoCatalyst Sd-Wan Manager18.3.6
CiscoCatalyst Sd-Wan Manager18.3.6.1
CiscoCatalyst Sd-Wan Manager18.3.7
CiscoCatalyst Sd-Wan Manager18.3.8
CiscoCatalyst Sd-Wan Manager18.4.0
CiscoCatalyst Sd-Wan Manager18.4.0.1
CiscoCatalyst Sd-Wan Manager18.4.1
CiscoCatalyst Sd-Wan Manager18.4.3
CiscoCatalyst Sd-Wan Manager18.4.4
CiscoCatalyst Sd-Wan Manager18.4.5
CiscoCatalyst Sd-Wan Manager18.4.6
CiscoCatalyst Sd-Wan Manager18.4.302
CiscoCatalyst Sd-Wan Manager18.4.303
CiscoCatalyst Sd-Wan Manager18.4.501_es
CiscoCatalyst Sd-Wan Manager19.0.0
CiscoCatalyst Sd-Wan Manager19.0.1a
CiscoCatalyst Sd-Wan Manager19.1.0
CiscoCatalyst Sd-Wan Manager19.2.0
CiscoCatalyst Sd-Wan Manager19.2.1
CiscoCatalyst Sd-Wan Manager19.2.2
CiscoCatalyst Sd-Wan Manager19.2.3
CiscoCatalyst Sd-Wan Manager19.2.4
CiscoCatalyst Sd-Wan Manager19.2.4.0.1
CiscoCatalyst Sd-Wan Manager19.2.31
CiscoCatalyst Sd-Wan Manager19.2.32
CiscoCatalyst Sd-Wan Manager19.2.097
CiscoCatalyst Sd-Wan Manager19.2.098
CiscoCatalyst Sd-Wan Manager19.2.099
CiscoCatalyst Sd-Wan Manager19.2.929
CiscoCatalyst Sd-Wan Manager19.3.0
CiscoCatalyst Sd-Wan Manager20.1.1
CiscoCatalyst Sd-Wan Manager20.1.1.1
CiscoCatalyst Sd-Wan Manager20.1.2
CiscoCatalyst Sd-Wan Manager20.1.2_937
CiscoCatalyst Sd-Wan Manager20.1.12

Showing 50 of 62 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2021-1483?
A vulnerability in the web UI of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to gain read and write access to information that is stored on an affected system. This vulnerability is due to improper handling of XML External Entity (XXE) entries when the affected software parses certain XML files. An attacker could exploit this vulnerability by persuading a user to import a crafted XML file with malicious entries. A successful exploit could allow the attacker to read and write files within the affected application.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
How severe is CVE-2021-1483?
CVE-2021-1483 has a CVSS score of 6.4/10 (MEDIUM severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.
How do I fix CVE-2021-1483?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-1483?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST