Vulnerability Details : CVE-2021-28684
Potential exploit
The XML parser used in ConeXware PowerArchiver before 20.10.02 allows processing of external entities, which might lead to exfiltration of local files over the network (via an XXE attack).
Vulnerability category: XML external entity (XXE) injection
Products affected by CVE-2021-28684
- cpe:2.3:a:powerarchiver:powerarchiver:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-28684
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 34 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-28684
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2021-28684
-
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-28684
-
https://peterka.tech/blog/posts/cve-2021-28684/
CVE-2021-28684: XXE vulnerability in PowerArchiver <= 20.00.73 - peterka.tech > blogExploit;Third Party Advisory
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https://www.powerarchiver.com
PowerArchiver – Compress, Encrypt, Exchange and Backup your data.Product
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