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Fencer Vulns
medium 6.1

CVE-2021-44478 json

A vulnerability has been identified in Polarion ALM (All versions < V21 R2 P2), Polarion WebClient for SVN (All versions).

published 2022-03-08 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-31311

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

A vulnerability has been identified in Polarion ALM (All versions < V21 R2 P2), Polarion WebClient for SVN (All versions). A cross-site scripting is present due to improper neutralization of data sent to the web page through the SVN WebClient in the affected product. An attacker could exploit this to execute arbitrary code and extract sensitive information by sending a specially crafted link to users with administrator privileges.

Patch / fix

  • siemens polarion_alm 21.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-069-08 updated cvss 6.5

Siemens Polarion ALM

  • Siemens Polarion ALM <V21_R2_P2
    affected: fixed in V21, mitigation support.sw.siemens.com
  • Siemens Polarion WebClient for SVN
    affected: mitigation, no fix planned

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • Siemens Polarion ALM
  • Siemens Polarion WebClient for SVN

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.