CVE-2008-1396
Plone credentials stored in session cookie
Plone CMS 3.x uses invariant data (a client username and a server secret) when calculating an HMAC-SHA1 value for an authentication cookie, which makes it easier for remote attackers to gain permanent access to an account by sniffing the network.
Exploit likelihood
What each source reports
NVD Score used
Plone CMS 3.x uses invariant data (a client username and a server secret) when calculating an HMAC-SHA1 value for an authentication cookie, which makes it easier for remote attackers to gain permanent access to an account by sniffing the network.
- Record
CVE-2008-1396- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-255
- Updated
- 2026-11-02
CVE List No score
Plone CMS 3.x uses invariant data (a client username and a server secret) when calculating an HMAC-SHA1 value for an authentication cookie, which makes it easier for remote attackers to gain permanent access to an account by sniffing the network.
- Record
CVE-2008-1396- Updated
- 2026-11-02
EUVDEUVD-2022-4170 No score
Plone CMS 3.x uses invariant data (a client username and a server secret) when calculating an HMAC-SHA1 value for an authentication cookie, which makes it easier for remote attackers to gain permanent access to an account by sniffing the network.
- Record
EUVD-2022-4170- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hjp5-hv33-q58g No score
Plone credentials stored in session cookie
Plone CMS 3.1.x uses invariant data (a client username and a server secret) when calculating an HMAC-SHA1 value for an authentication cookie, which makes it easier for remote attackers to gain permanent access to an account by sniffing the network.
- Record
GHSA-hjp5-hv33-q58g- Updated
- 2026-11-02
OSVGHSA-hjp5-hv33-q58g No score
Plone credentials stored in session cookie
Plone CMS 3.1.x uses invariant data (a client username and a server secret) when calculating an HMAC-SHA1 value for an authentication cookie, which makes it easier for remote attackers to gain permanent access to an account by sniffing the network.
- Record
GHSA-hjp5-hv33-q58g- Updated
- 2026-11-02
OSVPYSEC-2026-732 No score
Plone credentials stored in session cookie
Plone CMS 3.1.x uses invariant data (a client username and a server secret) when calculating an HMAC-SHA1 value for an authentication cookie, which makes it easier for remote attackers to gain permanent access to an account by sniffing the network.
- Record
PYSEC-2026-732- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
plonePyPI |
through 3.1.7 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2008-1396 is a medium vulnerability (CVSS 4.3) in Plone Cms, published March 20, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.14%, the 66th percentile. No source names a fixed version.