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Fencer Vulns
high 7.5

CVE-2024-34707 json

Nautobot's BANNER_* configuration can be used to inject arbitrary HTML content into Nautobot pages

published 2024-05-13 2 y ago modified 2026-09-10 1 mo ago also EUVD-2024-1758 , GHSA-r2hr-4v48-fjv3 , PYSEC-2026-1688

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

Nautobot is a Network Source of Truth and Network Automation Platform. A Nautobot user with admin privileges can modify the `BANNER_TOP`, `BANNER_BOTTOM`, and `BANNER_LOGIN` configuration settings via the `/admin/constance/config/` endpoint. Normally these settings are used to provide custom banner text at the top and bottom of all Nautobot web pages (or specifically on the login page in the case of `BANNER_LOGIN`) but it was reported that an admin user can make use of these settings to inject arbitrary HTML, potentially exposing Nautobot users to security issues such as cross-site scripting (stored XSS). The vulnerability is fixed in Nautobot 1.6.22 and 2.2.4.

Patch / fix

  • pypi nautobot 1.6.22, 2.2.4
  • networktocode nautobot 1.6.22, 2.2.4

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/nautobot/nautobot/pull/5697 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/nautobot/nautobot/pull/5698 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:H/A:L
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:H/A:L
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:H/A:L

Affected packages

ecosystem package affected fixed in
pypi nautobot
<1.6.22
>=2.0.0, <2.2.4
1.6.22
2.2.4

Affected products

  • nautobot nautobot

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.