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CVE-2025-24804 is a CWE-1287 vulnerability in mobsf. A fix is available for mobsf — see the affected versions and patch details below.

Partial Denial of Service (DoS) in MobSF

Also known asGHSA-jrm8-xgf3-fwqrPYSEC-2026-1674
Published
Feb 5, 2025
Updated
Aug 12, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Sep 23, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

Proof-of-concept exploit code exists

  • CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.

Exploitation and automatability from CISA’s SSVC triage for CVE-2025-24804.

EPSS Exploitation Probability

via FIRST.org ↗
0.5%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs39th percentile — riskier than 39% of all scored CVEsHighest risk

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Real-World Exposure

1 pkg affected
🐍mobsf

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

Partial Denial of Service (DoS)

Product: MobSF Version: v4.2.9 CWE-ID: CWE-1287: Improper Validation of Specified Type of Input CVSS vector v.4.0: 6.9 (AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N) CVSS vector v.3.1: 6.5 (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) Description: DoS in the Scans Results and iOS Dynamic Analyzer functionality Impact: Leveraging this vulnerability would make Scans Results and iOS Dynamic Analyzer pages unavailable. Vulnerable component: urls.py https://github.com/MobSF/Mobile-Security-Framework-MobSF/blob/d1d3b7a9aeb1a8c8c7c229a3455b19ade9fa8fe0/mobsf/MobSF/urls.py#L401 Exploitation conditions: A malicious application was uploaded to the MobSF. Mitigation: Check the uploaded bundle IDs against the regex. Researcher: Oleg Surnin (Positive Technologies)

Research

Researcher discovered zero-day vulnerability Partial Denial of Service (DoS) in MobSF in the Scans Results and iOS Dynamic Analyzer functionality. According to Apple's documentation for bundle ID's, it must contain only alphanumeric characters (A–Z, a–z, and 0–9), hyphens (-), and periods (.). (https://developer.apple.com/documentation/bundleresources/information-property-list/cfbundleidentifier) However, an attacker can manually modify this value in Info.plist file and add special characters to the <key>CFBundleIdentifier</key> value. In the urls.py file URL rules are defined. https://github.com/MobSF/Mobile-Security-Framework-MobSF/blob/d1d3b7a9aeb1a8c8c7c229a3455b19ade9fa8fe0/mobsf/MobSF/urls.py#L401

Listing 3.

bundle_id_regex = r'(?P<bundle_id>([a-zA-Z0-9]{1}[\w.-]{1,255}))$'

# skip code
re_path(fr'^ios/view_report/{bundle_id_regex}',
                ios_view_report.ç,
                name='ios_view_report'),

When the application parses the wrong characters in the bundle ID, it encounters an error. As a result, it will not display content and will throw a 500 error instead. The only way to make the pages work again is to manually remove the malicious application from the system.

Vulnerability reproduction

To reproduce the vulnerability, follow the steps described below.

• Unzip the IPA file of any iOS application.

Listing 4. Unzipping the file

unzip test.ipa

• Modify the value of <key>CFBundleIdentifier</key> by adding restricted characters in the Info.plist file.

<img width="364" alt="image-6" src="https://github.com/user-attachments/assets/97dce68a-a5e2-4048-b5c8-3090146a9635" />

*Figure 7. Example with ' character`

• Zip the modified IPA file.

Listing 5. Zipping the file

zip -r dos.ipa Payload/

• Upload the modified IPA file to Static Analysis and wait until it finished • Open the following pages: http://mobsf/recent_scans/ http://mobsf/ios/dynamic_analysis/

<img width="1119" alt="image-7" src="https://github.com/user-attachments/assets/a7a9ae2e-cd84-4ec8-8132-25140a209ca0" />

Figure 8. DoS Example

<img width="1141" alt="image-8" src="https://github.com/user-attachments/assets/a76e03ae-b4c6-4003-a145-c1fa4c88a7a5" />

Figure 9. DoS Example


Please, assign all credits to Oleg Surnin (Positive Technologies)

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPImobsfall versions4.3.1pip install --upgrade 'mobsf==4.3.1'

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for mobsf, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update mobsf to 4.3.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2025-24804 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like CVE-2025-24804 can be triaged on real exposure rather than presence alone.

Tailored to CVE-2025-24804. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

# Partial Denial of Service (DoS) **Product:** MobSF **Version:** v4.2.9 **CWE-ID:** CWE-1287: Improper Validation of Specified Type of Input **CVSS vector v.4.0:** 6.9 (AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N) **CVSS vector v.3.1:** 6.5 (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) **Description:** DoS in the Scans Results and iOS Dynamic Analyzer functionality **Impact:** Leveraging this vulnerability would make Scans Results and iOS Dynamic Analyzer pages unavailable. **Vulnerable component:** urls.py https://github.com/MobSF/Mobile-Security-Framework-MobSF/blob/d1d3b7a9aeb1a8c8c7
O3 Security · Impact-Aware SCA

Is CVE-2025-24804 in your dependencies?

O3 Security finds CVE-2025-24804 across PyPI dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

CVE-2025-24804: mobsf DoS | O3 Security