CVE-2021-28973 json
The XML Import functionality of the Administration console in Perforce Helix ALM 2020.3.1 Build 22 accepts XML input data that is parsed by…
published 2021-04-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15620
- cvss
- 4.9
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
The XML Import functionality of the Administration console in Perforce Helix ALM 2020.3.1 Build 22 accepts XML input data that is parsed by insecurely configured software components, leading to XXE attacks.
Exploit prediction
0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- compass-security.com https://www.compass-security.com/fileadmin/Research/Advisories/2021-01_CSNC-2021-005_Helix_ALM_XXE.txt referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-611 Improper Restriction of XML External Entity Reference
References
-
compass-security.com
/fileadmin/Research/Advisories/2021-01_CSNC-2021-005_Helix_ALM_XXE.txt
exploit, third-party-advisory
Sources
- CVE List CVE-2021-28973
- NVD CVE-2021-28973
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.